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  1. ### 5min 1.5 (1,1),(2,2),(5,4),(3,3),(4,5),(1,1)
  2. ### 5min 1.5 (1,1),(5,4),(2,2),(3,3),(4,5),(1,1)
  3. ### 5min 1.5 (1,1),(5,4),(3,3),(2,2),(4,5),(1,1)
  4. ### 5min 1.5 (1,1),(5,4),(3,3),(4,5),(2,2),(1,1)
  5. ### 5min 1.5 (1,2),(3,3),(4,4),(2,1),(5,5),(1,2)
  6. ### 5min 1.5 (1,2),(3,3),(2,1),(4,4),(5,5),(1,2)
  7. ### 5min 1.5 (1,2),(3,3),(2,1),(5,5),(4,4),(1,2)
  8. ### 5min 1.5 (1,2),(4,4),(3,3),(2,1),(5,5),(1,2)
  9. nodesAtEachDepth[] = 0,0,0,36,38,45,35
  10. #nodes = 154
  11. Time = 0.0135623 5min BEST=3
  12.  
  13. ### 6min 4 (1,1),(6,3),(2,2),(3,4),(5,5),(4,6),(1,1)
  14. ### 6min 4 (1,1),(6,3),(2,2),(5,5),(3,4),(4,6),(1,1)
  15. ### 6min 4 (1,1),(6,4),(4,3),(5,5),(2,2),(3,6),(1,1)
  16. ### 6min 4 (1,1),(6,4),(5,5),(4,3),(2,2),(3,6),(1,1)
  17. ### 6min 4 (1,3),(2,2),(3,4),(5,5),(4,1),(6,6),(1,3)
  18. ### 6min 4 (1,3),(3,4),(2,2),(5,5),(4,1),(6,6),(1,3)
  19. ### 6min 4 (1,3),(6,1),(3,6),(4,4),(2,5),(5,2),(1,3)
  20. ### 6min 4 (1,3),(6,1),(3,6),(2,5),(4,4),(5,2),(1,3)
  21. ### 6min 4 (1,4),(5,5),(4,3),(2,2),(3,1),(6,6),(1,4)
  22. ### 6min 4 (1,4),(5,5),(2,2),(4,3),(3,1),(6,6),(1,4)
  23. ### 6min 4 (1,4),(6,1),(4,6),(5,2),(3,3),(2,5),(1,4)
  24. ### 6min 4 (1,4),(6,1),(4,6),(5,2),(2,5),(3,3),(1,4)
  25. nodesAtEachDepth[] = 0,0,0,79,428,1205,1130,235
  26. #nodes = 3077
  27. Time = 0.0275202 6min BEST=8
  28.  
  29. ### 7min 4.5 (1,1),(6,5),(5,3),(7,6),(4,4),(2,2),(3,7),(1,1)
  30. ### 7min 4.5 (1,2),(4,4),(6,6),(5,1),(7,7),(2,3),(3,5),(1,2)
  31. ### 7min 4.5 (1,2),(6,5),(4,1),(7,6),(3,4),(2,3),(5,7),(1,2)
  32. ### 7min 4.5 (1,2),(6,5),(4,1),(7,6),(3,4),(5,7),(2,3),(1,2)
  33. ### 7min 4.5 (1,3),(4,5),(2,1),(7,4),(3,2),(6,7),(5,6),(1,3)
  34. ### 7min 4.5 (1,3),(5,6),(4,5),(2,1),(7,4),(3,2),(6,7),(1,3)
  35. ### 7min 4.5 (1,4),(6,1),(4,5),(3,6),(7,3),(2,7),(5,2),(1,4)
  36. ### 7min 4.5 (1,4),(6,1),(4,5),(7,3),(3,6),(2,7),(5,2),(1,4)
  37. nodesAtEachDepth[] = 0,0,0,101,634,2641,4812,3199,383
  38. #nodes = 11770
  39. Time = 0.0192304 7min BEST=9
  40.  
  41. ### 8min 3.5 (1,2),(2,3),(5,5),(7,6),(4,1),(8,7),(3,4),(6,8),(1,2)
  42. ### 8min 3.5 (1,2),(2,3),(7,6),(4,1),(8,7),(5,5),(3,4),(6,8),(1,2)
  43. ### 8min 3.5 (1,2),(4,4),(6,5),(3,1),(8,7),(7,6),(2,3),(5,8),(1,2)
  44. ### 8min 3.5 (1,2),(5,5),(7,6),(4,1),(8,7),(3,4),(2,3),(6,8),(1,2)
  45. ### 8min 3.5 (1,2),(5,5),(7,6),(4,1),(8,7),(3,4),(6,8),(2,3),(1,2)
  46. ### 8min 3.5 (1,2),(6,5),(7,6),(3,1),(8,7),(4,4),(2,3),(5,8),(1,2)
  47. ### 8min 3.5 (1,2),(6,5),(3,1),(7,6),(8,7),(4,4),(2,3),(5,8),(1,2)
  48. ### 8min 3.5 (1,2),(6,5),(3,1),(8,7),(7,6),(4,4),(2,3),(5,8),(1,2)
  49. ### 8min 3.5 (1,3),(5,6),(4,4),(2,1),(8,5),(3,2),(6,7),(7,8),(1,3)
  50. ### 8min 3.5 (1,3),(5,6),(2,1),(8,5),(3,2),(4,4),(6,7),(7,8),(1,3)
  51. ### 8min 3.5 (1,3),(5,6),(2,1),(8,5),(3,2),(4,4),(7,8),(6,7),(1,3)
  52. ### 8min 3.5 (1,3),(6,7),(5,6),(2,1),(8,5),(3,2),(4,4),(7,8),(1,3)
  53. ### 8min 3.5 (1,4),(6,7),(5,5),(3,2),(2,1),(8,6),(4,3),(7,8),(1,4)
  54. ### 8min 3.5 (1,4),(6,7),(5,5),(2,1),(3,2),(8,6),(4,3),(7,8),(1,4)
  55. ### 8min 3.5 (1,4),(6,7),(5,5),(2,1),(8,6),(3,2),(4,3),(7,8),(1,4)
  56. ### 8min 3.5 (1,4),(6,7),(3,2),(2,1),(8,6),(4,3),(5,5),(7,8),(1,4)
  57. nodesAtEachDepth[] = 0,0,0,180,606,1672,3215,3329,1864,242
  58. #nodes = 11108
  59. Time = 0.0430638 8min BEST=7
  60.  
  61. ### 9min 4.5 (1,1),(6,5),(9,7),(7,6),(3,3),(4,4),(8,9),(2,2),(5,8),(1,1)
  62. ### 9min 4.5 (1,1),(8,5),(2,2),(9,8),(4,4),(3,3),(6,7),(7,9),(5,6),(1,1)
  63. ### 9min 4.5 (1,2),(6,6),(7,7),(4,3),(3,1),(5,4),(9,9),(2,5),(8,8),(1,2)
  64. ### 9min 4.5 (1,3),(3,4),(7,7),(6,6),(2,1),(8,8),(5,2),(9,9),(4,5),(1,3)
  65. nodesAtEachDepth[] = 0,0,0,225,1182,5856,17709,29616,28635,10628,1113
  66. #nodes = 94964
  67. Time = 0.0403648 9min BEST=9
  68.  
  69. ### 10min 4 (1,3),(5,6),(8,8),(6,5),(3,1),(10,7),(4,2),(9,9),(2,4),(7,10),(1,3)
  70. ### 10min 4 (1,3),(5,6),(8,8),(3,1),(10,7),(4,2),(6,5),(9,9),(2,4),(7,10),(1,3)
  71. ### 10min 4 (1,3),(8,8),(6,5),(3,1),(10,7),(4,2),(9,9),(5,6),(2,4),(7,10),(1,3)
  72. ### 10min 4 (1,3),(8,8),(3,1),(10,7),(4,2),(6,5),(9,9),(5,6),(2,4),(7,10),(1,3)
  73. ### 10min 4 (1,4),(7,9),(5,6),(2,2),(6,5),(9,7),(4,1),(10,8),(3,3),(8,10),(1,4)
  74. ### 10min 4 (1,4),(7,9),(5,6),(2,2),(9,7),(4,1),(10,8),(6,5),(3,3),(8,10),(1,4)
  75. ### 10min 4 (1,4),(7,9),(2,2),(6,5),(9,7),(4,1),(10,8),(3,3),(5,6),(8,10),(1,4)
  76. ### 10min 4 (1,4),(7,9),(2,2),(9,7),(4,1),(10,8),(6,5),(3,3),(5,6),(8,10),(1,4)
  77. nodesAtEachDepth[] = 0,0,0,343,804,2448,7084,13462,17811,13871,5022,288
  78. #nodes = 61133
  79. Time = 0.0394682 10min BEST=8
  80.  
  81. ### 11min 5.5 (1,1),(4,3),(11,7),(2,2),(9,10),(6,6),(5,4),(10,11),(3,5),(8,9),(7,8),(1,1)
  82. ### 11min 5.5 (1,1),(8,7),(9,8),(5,3),(11,10),(4,5),(6,6),(10,9),(2,2),(7,11),(3,4),(1,1)
  83. ### 11min 5.5 (1,2),(6,6),(9,8),(3,1),(10,9),(7,4),(11,10),(2,3),(4,5),(5,7),(8,11),(1,2)
  84. ### 11min 5.5 (1,2),(8,7),(6,6),(2,3),(10,10),(5,1),(9,8),(11,11),(4,5),(3,4),(7,9),(1,2)
  85. ### 11min 5.5 (1,2),(10,9),(8,7),(7,5),(4,1),(11,10),(6,6),(3,4),(9,11),(2,3),(5,8),(1,2)
  86. ### 11min 5.5 (1,3),(8,9),(6,6),(2,1),(11,8),(7,5),(5,4),(3,2),(10,11),(4,7),(9,10),(1,3)
  87. ### 11min 5.5 (1,4),(5,7),(7,8),(9,10),(2,1),(8,5),(3,2),(11,9),(4,3),(6,6),(10,11),(1,4)
  88. ### 11min 5.5 (1,5),(10,10),(3,2),(6,6),(7,8),(2,1),(9,7),(4,3),(5,4),(11,11),(8,9),(1,5)
  89. nodesAtEachDepth[] = 0,0,0,403,2536,16291,70828,198094,399447,481842,330941,92441,6882
  90. #nodes = 1599705
  91. Time = 0.50382 11min BEST=11
  92.  
  93. ### 12min 6 (1,1),(2,2),(10,7),(5,4),(11,9),(7,6),(12,10),(3,3),(4,5),(9,12),(6,8),(8,11),(1,1)
  94. ### 12min 6 (1,1),(2,2),(8,5),(5,4),(12,8),(3,3),(10,11),(6,6),(11,12),(7,9),(4,7),(9,10),(1,1)
  95. ### 12min 6 (1,1),(6,7),(2,2),(7,6),(11,9),(4,4),(12,11),(5,5),(8,8),(9,10),(3,3),(10,12),(1,1)
  96. ### 12min 6 (1,1),(6,7),(2,2),(11,9),(7,6),(4,4),(12,11),(5,5),(8,8),(9,10),(3,3),(10,12),(1,1)
  97. ### 12min 6 (1,1),(8,6),(2,2),(11,9),(3,3),(12,11),(5,5),(9,10),(4,4),(6,7),(7,8),(10,12),(1,1)
  98. ### 12min 6 (1,1),(9,8),(10,9),(5,3),(12,11),(6,6),(11,10),(2,2),(3,4),(7,7),(4,5),(8,12),(1,1)
  99. ### 12min 6 (1,1),(9,8),(10,9),(5,3),(12,11),(7,7),(11,10),(2,2),(3,4),(6,6),(4,5),(8,12),(1,1)
  100. ### 12min 6 (1,1),(10,8),(12,10),(6,5),(3,3),(8,7),(4,4),(11,12),(2,2),(9,11),(5,6),(7,9),(1,1)
  101. ### 12min 6 (1,1),(10,9),(7,4),(9,7),(12,11),(6,6),(11,10),(3,3),(8,12),(4,5),(5,8),(2,2),(1,1)
  102. ### 12min 6 (1,1),(11,8),(8,6),(12,9),(5,4),(3,3),(10,12),(6,7),(9,11),(4,5),(7,10),(2,2),(1,1)
  103. ### 12min 6 (1,1),(12,8),(5,4),(6,6),(4,3),(2,2),(10,11),(7,7),(11,12),(3,5),(9,10),(8,9),(1,1)
  104. ### 12min 6 (1,1),(12,8),(5,4),(7,7),(4,3),(2,2),(10,11),(6,6),(11,12),(3,5),(9,10),(8,9),(1,1)
  105. ### 12min 6 (1,1),(12,10),(3,3),(10,9),(8,8),(5,5),(11,12),(4,4),(6,7),(9,11),(2,2),(7,6),(1,1)
  106. ### 12min 6 (1,1),(12,10),(3,3),(10,9),(8,8),(5,5),(11,12),(4,4),(9,11),(6,7),(2,2),(7,6),(1,1)
  107. ### 12min 6 (1,1),(12,10),(8,7),(7,6),(4,4),(10,9),(5,5),(11,12),(3,3),(9,11),(2,2),(6,8),(1,1)
  108. ### 12min 6 (1,2),(2,1),(3,3),(10,9),(5,5),(6,6),(12,11),(8,8),(11,12),(7,7),(9,10),(4,4),(1,2)
  109. ### 12min 6 (1,2),(2,1),(3,3),(10,9),(6,6),(12,11),(7,7),(8,8),(11,12),(5,5),(9,10),(4,4),(1,2)
  110. ### 12min 6 (1,2),(2,1),(4,4),(10,9),(5,5),(12,11),(8,8),(7,7),(11,12),(6,6),(9,10),(3,3),(1,2)
  111. ### 12min 6 (1,2),(2,1),(4,4),(10,9),(7,7),(12,11),(8,8),(11,12),(6,6),(5,5),(9,10),(3,3),(1,2)
  112. ### 12min 6 (1,2),(5,5),(6,6),(2,1),(7,7),(4,3),(10,10),(12,11),(11,12),(9,9),(3,4),(8,8),(1,2)
  113. ### 12min 6 (1,2),(5,5),(2,1),(6,6),(4,3),(9,9),(12,11),(11,12),(10,10),(3,4),(8,8),(7,7),(1,2)
  114. ### 12min 6 (1,2),(5,5),(2,1),(7,7),(8,8),(4,3),(10,10),(12,11),(11,12),(9,9),(3,4),(6,6),(1,2)
  115. ### 12min 6 (1,2),(6,6),(2,3),(11,11),(10,9),(7,7),(9,8),(5,1),(12,12),(4,5),(3,4),(8,10),(1,2)
  116. ### 12min 6 (1,2),(6,6),(5,5),(2,1),(8,8),(4,3),(9,9),(12,11),(11,12),(10,10),(3,4),(7,7),(1,2)
  117. ### 12min 6 (1,2),(7,7),(2,3),(10,10),(5,1),(9,8),(8,5),(11,11),(12,12),(3,4),(6,9),(4,6),(1,2)
  118. ### 12min 6 (1,2),(7,7),(2,3),(11,11),(10,9),(6,6),(9,8),(5,1),(12,12),(4,5),(3,4),(8,10),(1,2)
  119. ### 12min 6 (1,2),(8,8),(4,3),(9,9),(7,6),(6,5),(3,1),(12,12),(5,7),(11,11),(2,4),(10,10),(1,2)
  120. ### 12min 6 (1,2),(8,8),(5,5),(4,3),(10,10),(3,1),(12,12),(7,6),(11,11),(6,7),(2,4),(9,9),(1,2)
  121. ### 12min 6 (1,2),(8,8),(5,5),(4,3),(10,10),(3,1),(12,12),(7,6),(11,11),(2,4),(6,7),(9,9),(1,2)
  122. ### 12min 6 (1,2),(9,9),(6,5),(10,10),(8,7),(3,1),(5,3),(12,12),(4,6),(7,8),(2,4),(11,11),(1,2)
  123. ### 12min 6 (1,3),(5,6),(6,7),(9,9),(3,4),(8,8),(2,1),(10,10),(4,2),(11,11),(7,5),(12,12),(1,3)
  124. ### 12min 6 (1,3),(7,8),(10,10),(5,6),(9,9),(2,1),(11,11),(4,2),(8,7),(6,4),(12,12),(3,5),(1,3)
  125. ### 12min 6 (1,3),(10,10),(9,8),(4,1),(7,5),(5,2),(12,12),(11,11),(3,6),(8,9),(2,4),(6,7),(1,3)
  126. ### 12min 6 (1,3),(10,10),(3,4),(5,5),(8,8),(2,1),(9,9),(7,6),(4,2),(11,11),(6,7),(12,12),(1,3)
  127. ### 12min 6 (1,3),(10,10),(3,4),(5,5),(8,8),(2,1),(9,9),(4,2),(7,6),(11,11),(6,7),(12,12),(1,3)
  128. ### 12min 6 (1,4),(8,9),(10,10),(3,1),(7,6),(4,2),(9,8),(6,3),(11,11),(12,12),(2,5),(5,7),(1,4)
  129. ### 12min 6 (1,4),(11,11),(8,9),(10,10),(3,2),(5,5),(6,6),(7,8),(2,1),(9,7),(4,3),(12,12),(1,4)
  130. ### 12min 6 (1,4),(11,11),(8,9),(10,10),(3,2),(6,6),(5,5),(7,8),(2,1),(9,7),(4,3),(12,12),(1,4)
  131. ### 12min 6 (1,5),(8,9),(7,7),(9,10),(11,11),(3,2),(6,6),(2,1),(10,8),(4,3),(5,4),(12,12),(1,5)
  132. ### 12min 6 (1,5),(8,9),(6,6),(9,10),(11,11),(3,2),(7,7),(2,1),(10,8),(4,3),(5,4),(12,12),(1,5)
  133. ### 12min 6 (1,5),(10,10),(3,2),(7,7),(2,1),(6,4),(9,6),(4,3),(12,12),(11,11),(5,8),(8,9),(1,5)
  134. nodesAtEachDepth[] = 0,0,0,590,3934,27708,134025,442974,1105238,1829489,1984265,1141986,278579,17971
  135. #nodes = 6966759
  136. Time = 2.24391 12min BEST=12
  137.  
  138. ### 13min 6 (1,1),(4,3),(6,4),(13,8),(2,2),(10,11),(11,12),(7,6),(12,13),(5,7),(9,10),(3,5),(8,9),(1,1)
  139. ### 13min 6 (1,1),(4,3),(6,4),(13,8),(2,2),(10,11),(7,6),(11,12),(12,13),(5,7),(9,10),(3,5),(8,9),(1,1)
  140. ### 13min 6 (1,1),(6,4),(4,3),(13,8),(2,2),(10,11),(11,12),(7,6),(12,13),(5,7),(9,10),(3,5),(8,9),(1,1)
  141. ### 13min 6 (1,1),(6,4),(4,3),(13,8),(2,2),(10,11),(7,6),(11,12),(12,13),(5,7),(9,10),(3,5),(8,9),(1,1)
  142. ### 13min 6 (1,1),(6,4),(13,8),(4,3),(2,2),(10,11),(11,12),(7,6),(12,13),(5,7),(9,10),(3,5),(8,9),(1,1)
  143. ### 13min 6 (1,1),(6,4),(13,8),(4,3),(2,2),(10,11),(7,6),(11,12),(12,13),(5,7),(9,10),(3,5),(8,9),(1,1)
  144. ### 13min 6 (1,1),(9,8),(5,3),(10,9),(7,5),(13,12),(12,11),(6,7),(11,10),(2,2),(3,4),(8,13),(4,6),(1,1)
  145. ### 13min 6 (1,1),(9,8),(5,3),(10,9),(7,5),(13,12),(12,11),(6,7),(11,10),(2,2),(8,13),(3,4),(4,6),(1,1)
  146. ### 13min 6 (1,1),(9,8),(5,3),(10,9),(7,5),(13,12),(12,11),(6,7),(11,10),(2,2),(8,13),(4,6),(3,4),(1,1)
  147. ### 13min 6 (1,1),(9,8),(5,3),(10,9),(7,5),(13,12),(6,7),(12,11),(11,10),(2,2),(3,4),(8,13),(4,6),(1,1)
  148. ### 13min 6 (1,1),(9,8),(5,3),(10,9),(7,5),(13,12),(6,7),(12,11),(11,10),(2,2),(8,13),(3,4),(4,6),(1,1)
  149. ### 13min 6 (1,1),(9,8),(5,3),(10,9),(7,5),(13,12),(6,7),(12,11),(11,10),(2,2),(8,13),(4,6),(3,4),(1,1)
  150. ### 13min 6 (1,2),(2,3),(8,7),(3,4),(12,12),(11,10),(6,1),(10,8),(13,13),(5,6),(9,11),(4,5),(7,9),(1,2)
  151. ### 13min 6 (1,2),(2,3),(8,7),(3,4),(12,12),(6,1),(11,10),(10,8),(13,13),(5,6),(9,11),(4,5),(7,9),(1,2)
  152. ### 13min 6 (1,2),(2,3),(8,7),(3,4),(12,12),(6,1),(10,8),(11,10),(13,13),(5,6),(9,11),(4,5),(7,9),(1,2)
  153. ### 13min 6 (1,2),(8,7),(2,3),(3,4),(12,12),(11,10),(6,1),(10,8),(13,13),(5,6),(9,11),(4,5),(7,9),(1,2)
  154. ### 13min 6 (1,2),(8,7),(2,3),(3,4),(12,12),(6,1),(11,10),(10,8),(13,13),(5,6),(9,11),(4,5),(7,9),(1,2)
  155. ### 13min 6 (1,2),(8,7),(2,3),(3,4),(12,12),(6,1),(10,8),(11,10),(13,13),(5,6),(9,11),(4,5),(7,9),(1,2)
  156. ### 13min 6 (1,6),(10,11),(12,12),(4,3),(3,2),(7,8),(2,1),(9,7),(5,4),(11,9),(6,5),(13,13),(8,10),(1,6)
  157. ### 13min 6 (1,6),(10,11),(12,12),(4,3),(7,8),(3,2),(2,1),(9,7),(5,4),(11,9),(6,5),(13,13),(8,10),(1,6)
  158. ### 13min 6 (1,6),(12,12),(4,3),(3,2),(7,8),(2,1),(9,7),(5,4),(11,9),(6,5),(13,13),(10,11),(8,10),(1,6)
  159. ### 13min 6 (1,6),(12,12),(4,3),(3,2),(7,8),(2,1),(9,7),(5,4),(11,9),(6,5),(13,13),(8,10),(10,11),(1,6)
  160. ### 13min 6 (1,6),(12,12),(4,3),(7,8),(3,2),(2,1),(9,7),(5,4),(11,9),(6,5),(13,13),(10,11),(8,10),(1,6)
  161. ### 13min 6 (1,6),(12,12),(4,3),(7,8),(3,2),(2,1),(9,7),(5,4),(11,9),(6,5),(13,13),(8,10),(10,11),(1,6)
  162. nodesAtEachDepth[] = 0,0,0,667,3248,18203,81075,284863,821439,1671313,2498058,2284001,1138966,236348,10599
  163. #nodes = 9048780
  164. Time = 2.97765 13min BEST=12
  165.  
  166. ### 14min 6.5 (1,1),(5,4),(7,5),(14,9),(3,3),(12,13),(9,8),(13,14),(8,10),(11,12),(4,6),(10,11),(2,2),(6,7),(1,1)
  167. ### 14min 6.5 (1,1),(7,6),(2,2),(11,10),(6,4),(12,11),(10,8),(14,13),(8,9),(13,12),(3,3),(9,14),(5,7),(4,5),(1,1)
  168. ### 14min 6.5 (1,2),(8,8),(7,6),(5,3),(10,10),(12,11),(13,12),(4,1),(14,13),(3,5),(11,14),(2,4),(6,7),(9,9),(1,2)
  169. ### 14min 6.5 (1,2),(8,8),(7,6),(5,3),(10,10),(12,11),(4,1),(13,12),(14,13),(3,5),(11,14),(2,4),(6,7),(9,9),(1,2)
  170. ### 14min 6.5 (1,2),(8,8),(5,3),(7,6),(10,10),(12,11),(13,12),(4,1),(14,13),(3,5),(11,14),(2,4),(6,7),(9,9),(1,2)
  171. ### 14min 6.5 (1,2),(8,8),(5,3),(7,6),(10,10),(12,11),(4,1),(13,12),(14,13),(3,5),(11,14),(2,4),(6,7),(9,9),(1,2)
  172. ### 14min 6.5 (1,2),(12,10),(4,1),(13,11),(9,8),(6,6),(14,13),(7,7),(8,9),(10,12),(5,5),(3,4),(2,3),(11,14),(1,2)
  173. ### 14min 6.5 (1,2),(12,10),(4,1),(13,11),(9,8),(6,6),(14,13),(7,7),(8,9),(10,12),(5,5),(3,4),(11,14),(2,3),(1,2)
  174. ### 14min 6.5 (1,2),(12,10),(4,1),(13,11),(9,8),(6,6),(14,13),(7,7),(10,12),(8,9),(5,5),(3,4),(2,3),(11,14),(1,2)
  175. ### 14min 6.5 (1,2),(12,10),(4,1),(13,11),(9,8),(6,6),(14,13),(7,7),(10,12),(8,9),(5,5),(3,4),(11,14),(2,3),(1,2)
  176. ### 14min 6.5 (1,4),(10,12),(2,1),(3,2),(14,11),(4,3),(5,5),(9,8),(12,10),(7,7),(13,14),(6,6),(8,9),(11,13),(1,4)
  177. ### 14min 6.5 (1,4),(10,12),(2,1),(3,2),(14,11),(4,3),(5,5),(12,10),(9,8),(7,7),(13,14),(6,6),(8,9),(11,13),(1,4)
  178. ### 14min 6.5 (1,4),(10,12),(2,1),(14,11),(3,2),(4,3),(5,5),(9,8),(12,10),(7,7),(13,14),(6,6),(8,9),(11,13),(1,4)
  179. ### 14min 6.5 (1,4),(10,12),(2,1),(14,11),(3,2),(4,3),(5,5),(12,10),(9,8),(7,7),(13,14),(6,6),(8,9),(11,13),(1,4)
  180. ### 14min 6.5 (1,4),(12,13),(11,12),(10,10),(6,7),(3,5),(8,8),(2,1),(9,9),(7,6),(4,2),(14,11),(5,3),(13,14),(1,4)
  181. ### 14min 6.5 (1,4),(12,13),(11,12),(10,10),(3,5),(6,7),(8,8),(2,1),(9,9),(7,6),(4,2),(14,11),(5,3),(13,14),(1,4)
  182. ### 14min 6.5 (1,6),(12,12),(3,2),(6,7),(2,1),(7,5),(4,3),(11,9),(5,4),(13,13),(9,8),(14,14),(10,11),(8,10),(1,6)
  183. nodesAtEachDepth[] = 0,0,0,930,4690,27992,133264,510351,1659830,4004310,7592008,9693832,7829931,3400609,623280,25189
  184. #nodes = 35506216
  185. Time = 11.8238 14min BEST=13
  186.  
  187. ### 15min 7 (1,1),(2,2),(6,5),(8,6),(15,10),(4,4),(13,14),(10,9),(14,15),(9,11),(12,13),(5,7),(11,12),(3,3),(7,8),(1,1)
  188. ### 15min 7 (1,1),(3,4),(8,8),(11,10),(13,11),(6,2),(15,13),(10,7),(14,12),(9,9),(5,6),(4,5),(12,14),(2,3),(7,15),(1,1)
  189. ### 15min 7 (1,1),(3,4),(8,8),(13,11),(6,2),(15,13),(10,7),(14,12),(11,10),(9,9),(5,6),(4,5),(12,14),(2,3),(7,15),(1,1)
  190. ### 15min 7 (1,1),(4,3),(6,4),(15,9),(2,2),(11,12),(12,13),(8,8),(13,14),(7,6),(14,15),(5,7),(10,11),(3,5),(9,10),(1,1)
  191. ### 15min 7 (1,1),(4,3),(6,4),(15,9),(2,2),(12,13),(8,8),(13,14),(7,6),(14,15),(5,7),(11,12),(3,5),(10,11),(9,10),(1,1)
  192. ### 15min 7 (1,1),(6,4),(4,3),(15,9),(2,2),(11,12),(12,13),(8,8),(13,14),(7,6),(14,15),(5,7),(10,11),(3,5),(9,10),(1,1)
  193. ### 15min 7 (1,1),(6,4),(4,3),(15,9),(2,2),(12,13),(8,8),(13,14),(7,6),(14,15),(5,7),(11,12),(3,5),(10,11),(9,10),(1,1)
  194. ### 15min 7 (1,1),(6,4),(15,9),(4,3),(2,2),(11,12),(12,13),(8,8),(13,14),(7,6),(14,15),(5,7),(10,11),(3,5),(9,10),(1,1)
  195. ### 15min 7 (1,1),(6,4),(15,9),(4,3),(2,2),(12,13),(8,8),(13,14),(7,6),(14,15),(5,7),(11,12),(3,5),(10,11),(9,10),(1,1)
  196. ### 15min 7 (1,1),(8,7),(3,3),(12,11),(7,5),(13,12),(11,9),(15,14),(9,10),(14,13),(4,4),(10,15),(6,8),(5,6),(2,2),(1,1)
  197. ### 15min 7 (1,1),(9,8),(4,4),(11,10),(15,13),(12,11),(6,6),(7,7),(14,15),(5,5),(13,14),(3,3),(8,9),(2,2),(10,12),(1,1)
  198. ### 15min 7 (1,1),(9,8),(13,11),(6,2),(14,12),(4,5),(15,15),(5,6),(12,14),(11,13),(3,4),(8,10),(2,3),(7,7),(10,9),(1,1)
  199. ### 15min 7 (1,1),(9,10),(7,7),(3,2),(10,8),(4,3),(13,11),(14,12),(6,5),(15,15),(5,4),(12,14),(2,6),(11,13),(8,9),(1,1)
  200. ### 15min 7 (1,1),(10,9),(11,10),(5,3),(12,11),(7,5),(15,14),(6,7),(14,13),(8,8),(13,12),(2,2),(3,4),(9,15),(4,6),(1,1)
  201. ### 15min 7 (1,1),(10,9),(11,10),(5,3),(12,11),(7,5),(15,14),(6,7),(14,13),(8,8),(13,12),(2,2),(9,15),(3,4),(4,6),(1,1)
  202. ### 15min 7 (1,1),(10,9),(11,10),(5,3),(12,11),(7,5),(15,14),(6,7),(14,13),(8,8),(13,12),(2,2),(9,15),(4,6),(3,4),(1,1)
  203. ### 15min 7 (1,1),(10,9),(5,3),(11,10),(7,5),(15,14),(6,7),(14,13),(8,8),(13,12),(12,11),(2,2),(3,4),(9,15),(4,6),(1,1)
  204. ### 15min 7 (1,1),(10,9),(5,3),(11,10),(7,5),(15,14),(6,7),(14,13),(8,8),(13,12),(12,11),(2,2),(9,15),(3,4),(4,6),(1,1)
  205. ### 15min 7 (1,1),(10,9),(5,3),(11,10),(7,5),(15,14),(6,7),(14,13),(8,8),(13,12),(12,11),(2,2),(9,15),(4,6),(3,4),(1,1)
  206. ### 15min 7 (1,1),(11,10),(4,2),(5,3),(13,12),(8,6),(14,13),(9,9),(6,7),(15,15),(7,8),(3,5),(10,14),(2,4),(12,11),(1,1)
  207. ### 15min 7 (1,1),(11,12),(4,2),(14,10),(5,3),(8,7),(15,15),(7,6),(9,9),(13,14),(6,8),(12,13),(3,5),(2,4),(10,11),(1,1)
  208. ### 15min 7 (1,1),(12,10),(2,2),(9,8),(3,3),(14,13),(5,5),(15,14),(7,7),(6,6),(11,12),(13,15),(10,11),(4,4),(8,9),(1,1)
  209. ### 15min 7 (1,2),(9,9),(10,10),(5,4),(3,1),(6,5),(12,12),(8,7),(15,15),(4,6),(14,14),(7,8),(13,13),(2,3),(11,11),(1,2)
  210. ### 15min 7 (1,2),(10,9),(2,3),(8,8),(3,4),(4,5),(14,14),(13,12),(7,1),(12,10),(15,15),(6,7),(11,13),(5,6),(9,11),(1,2)
  211. ### 15min 7 (1,2),(10,9),(2,3),(8,8),(3,4),(4,5),(14,14),(7,1),(13,12),(12,10),(15,15),(6,7),(11,13),(5,6),(9,11),(1,2)
  212. ### 15min 7 (1,2),(10,9),(2,3),(8,8),(3,4),(4,5),(14,14),(7,1),(12,10),(13,12),(15,15),(6,7),(11,13),(5,6),(9,11),(1,2)
  213. ### 15min 7 (1,2),(10,9),(2,3),(8,8),(3,4),(14,14),(13,12),(7,1),(12,10),(15,15),(6,7),(5,6),(11,13),(4,5),(9,11),(1,2)
  214. ### 15min 7 (1,2),(10,9),(2,3),(8,8),(3,4),(14,14),(7,1),(13,12),(12,10),(15,15),(6,7),(5,6),(11,13),(4,5),(9,11),(1,2)
  215. ### 15min 7 (1,2),(10,9),(2,3),(8,8),(3,4),(14,14),(7,1),(12,10),(13,12),(15,15),(6,7),(5,6),(11,13),(4,5),(9,11),(1,2)
  216. ### 15min 7 (1,3),(4,5),(10,10),(9,9),(2,1),(11,11),(3,2),(13,13),(8,7),(14,14),(6,4),(15,15),(7,8),(12,12),(5,6),(1,3)
  217. ### 15min 7 (1,3),(6,9),(2,4),(5,6),(7,7),(11,10),(12,11),(4,2),(14,13),(9,1),(15,15),(13,12),(8,8),(3,5),(10,14),(1,3)
  218. ### 15min 7 (1,3),(6,9),(2,4),(7,7),(11,10),(12,11),(4,2),(14,13),(9,1),(15,15),(13,12),(8,8),(5,6),(3,5),(10,14),(1,3)
  219. ### 15min 7 (1,6),(12,12),(3,2),(6,7),(2,1),(7,5),(4,3),(11,9),(5,4),(13,13),(9,8),(15,15),(14,14),(10,11),(8,10),(1,6)
  220. ### 15min 7 (1,7),(12,13),(14,14),(4,3),(8,8),(3,2),(9,10),(2,1),(11,9),(5,4),(13,11),(6,5),(7,6),(15,15),(10,12),(1,7)
  221. ### 15min 7 (1,7),(12,13),(14,14),(5,4),(4,3),(8,8),(3,2),(9,10),(2,1),(11,9),(6,5),(13,11),(7,6),(15,15),(10,12),(1,7)
  222. ### 15min 7 (1,7),(14,14),(4,3),(8,8),(3,2),(9,10),(2,1),(11,9),(5,4),(13,11),(6,5),(7,6),(15,15),(12,13),(10,12),(1,7)
  223. ### 15min 7 (1,7),(14,14),(4,3),(8,8),(3,2),(9,10),(2,1),(11,9),(5,4),(13,11),(6,5),(7,6),(15,15),(10,12),(12,13),(1,7)
  224. ### 15min 7 (1,7),(14,14),(5,4),(4,3),(8,8),(3,2),(9,10),(2,1),(11,9),(6,5),(13,11),(7,6),(15,15),(12,13),(10,12),(1,7)
  225. ### 15min 7 (1,7),(14,14),(5,4),(4,3),(8,8),(3,2),(9,10),(2,1),(11,9),(6,5),(13,11),(7,6),(15,15),(10,12),(12,13),(1,7)
  226. nodesAtEachDepth[] = 0,0,0,1050,5590,35526,185352,797805,2986395,8549614,19930575,33155508,38286144,27280199,10625085,1697301,56677
  227. #nodes = 143592821
  228. Time = 50.3115 15min BEST=14
  229.  
  230. ### 16min 7 (1,1),(6,5),(16,12),(3,3),(7,6),(4,4),(13,14),(10,10),(9,8),(11,11),(15,16),(14,15),(5,7),(12,13),(2,2),(8,9),(1,1)
  231. ### 16min 7 (1,1),(9,8),(2,2),(13,12),(7,5),(15,14),(16,15),(11,11),(8,9),(10,10),(14,13),(4,4),(6,7),(3,3),(12,16),(5,6),(1,1)
  232. ### 16min 7 (1,2),(4,4),(11,10),(5,5),(13,12),(14,13),(3,1),(15,14),(10,8),(16,15),(7,7),(12,16),(8,9),(6,6),(2,3),(9,11),(1,2)
  233. ### 16min 7 (1,2),(4,4),(11,10),(5,5),(13,12),(3,1),(14,13),(15,14),(10,8),(16,15),(7,7),(12,16),(8,9),(6,6),(2,3),(9,11),(1,2)
  234. ### 16min 7 (1,2),(4,4),(11,10),(5,5),(13,12),(3,1),(14,13),(10,8),(15,14),(16,15),(7,7),(12,16),(8,9),(6,6),(2,3),(9,11),(1,2)
  235. ### 16min 7 (1,2),(6,6),(9,8),(7,7),(3,4),(13,13),(11,10),(14,14),(5,1),(12,11),(16,16),(8,9),(15,15),(4,5),(10,12),(2,3),(1,2)
  236. ### 16min 7 (1,2),(10,10),(5,1),(9,8),(11,11),(15,14),(8,6),(16,15),(13,13),(6,7),(12,12),(4,5),(3,4),(14,16),(2,3),(7,9),(1,2)
  237. ### 16min 7 (1,2),(10,10),(5,1),(9,8),(11,11),(15,14),(8,6),(16,15),(13,13),(6,7),(12,12),(4,5),(14,16),(3,4),(2,3),(7,9),(1,2)
  238. ### 16min 7 (1,2),(10,10),(5,1),(9,8),(11,11),(15,14),(8,6),(16,15),(13,13),(6,7),(12,12),(4,5),(14,16),(3,4),(7,9),(2,3),(1,2)
  239. ### 16min 7 (1,3),(12,13),(5,5),(10,11),(4,4),(2,1),(11,9),(3,2),(6,6),(9,8),(16,12),(7,7),(15,16),(14,15),(8,10),(13,14),(1,3)
  240. ### 16min 7 (1,3),(12,13),(5,5),(10,11),(4,4),(2,1),(11,9),(3,2),(6,6),(9,8),(16,12),(7,7),(15,16),(8,10),(14,15),(13,14),(1,3)
  241. ### 16min 7 (1,3),(13,14),(12,13),(5,5),(10,11),(4,4),(2,1),(11,9),(3,2),(6,6),(9,8),(16,12),(7,7),(15,16),(8,10),(14,15),(1,3)
  242. ### 16min 7 (1,5),(10,10),(2,1),(3,2),(9,7),(4,3),(16,14),(5,4),(12,12),(7,6),(13,13),(15,16),(6,8),(14,15),(11,11),(8,9),(1,5)
  243. ### 16min 7 (1,5),(10,10),(2,1),(9,7),(3,2),(4,3),(16,14),(5,4),(12,12),(7,6),(13,13),(15,16),(6,8),(14,15),(11,11),(8,9),(1,5)
  244. ### 16min 7 (1,5),(10,10),(2,1),(9,7),(3,2),(16,14),(4,3),(5,4),(12,12),(7,6),(13,13),(15,16),(6,8),(14,15),(11,11),(8,9),(1,5)
  245. ### 16min 7 (1,5),(14,14),(10,11),(13,13),(4,3),(7,7),(8,9),(6,6),(2,1),(3,2),(12,10),(5,4),(15,15),(9,8),(16,16),(11,12),(1,5)
  246. 0,0,0,1336,3852,19990,101693,418154,1573140,4843577,12725828,24793086,36450549,36290660,22767800,7636317,1046311,20860
  247. 148693153
  248. Time = 44.7799 16min BEST=14
  249.  
  250. ### 17min 7.5 (1,1),(5,4),(10,7),(8,6),(17,11),(6,5),(3,3),(15,16),(12,12),(16,17),(11,13),(4,8),(14,15),(7,9),(13,14),(2,2),(9,10),(1,1)
  251. ### 17min 7.5 (1,1),(5,4),(10,7),(17,11),(8,6),(6,5),(3,3),(15,16),(12,12),(16,17),(11,13),(4,8),(14,15),(7,9),(13,14),(2,2),(9,10),(1,1)
  252. ### 17min 7.5 (1,1),(5,4),(10,7),(17,11),(6,6),(15,10),(3,3),(7,8),(16,16),(8,9),(13,15),(14,17),(12,14),(11,13),(2,2),(9,12),(4,5),(1,1)
  253. ### 17min 7.5 (1,1),(5,4),(17,11),(6,6),(15,10),(10,7),(3,3),(7,8),(16,16),(8,9),(13,15),(14,17),(12,14),(11,13),(2,2),(9,12),(4,5),(1,1)
  254. ### 17min 7.5 (1,1),(5,4),(12,9),(2,2),(13,11),(14,12),(17,14),(15,13),(9,8),(16,16),(8,7),(3,3),(7,10),(10,15),(6,6),(11,17),(4,5),(1,1)
  255. ### 17min 7.5 (1,1),(5,4),(12,9),(2,2),(13,11),(14,12),(17,14),(15,13),(9,8),(16,16),(8,7),(3,3),(10,15),(6,6),(11,17),(7,10),(4,5),(1,1)
  256. ### 17min 7.5 (1,1),(6,5),(3,3),(7,6),(17,13),(4,4),(14,15),(10,10),(15,16),(12,12),(11,11),(9,8),(16,17),(5,7),(13,14),(2,2),(8,9),(1,1)
  257. ### 17min 7.5 (1,1),(6,5),(17,10),(8,6),(13,9),(4,4),(16,17),(9,12),(12,14),(11,13),(15,16),(5,7),(14,15),(3,3),(10,11),(2,2),(7,8),(1,1)
  258. ### 17min 7.5 (1,1),(6,5),(17,10),(8,6),(13,9),(4,4),(16,17),(9,12),(11,13),(12,14),(15,16),(5,7),(14,15),(3,3),(10,11),(2,2),(7,8),(1,1)
  259. ### 17min 7.5 (1,1),(8,7),(2,2),(11,10),(3,3),(15,14),(7,5),(16,15),(14,12),(13,11),(12,9),(17,16),(4,4),(9,13),(6,8),(10,17),(5,6),(1,1)
  260. ### 17min 7.5 (1,1),(8,7),(2,2),(11,10),(3,3),(15,14),(7,5),(16,15),(13,11),(14,12),(12,9),(17,16),(4,4),(9,13),(6,8),(10,17),(5,6),(1,1)
  261. ### 17min 7.5 (1,1),(8,10),(14,15),(15,16),(3,3),(6,7),(2,2),(7,6),(12,9),(10,8),(17,13),(4,4),(13,12),(5,5),(16,17),(9,11),(11,14),(1,1)
  262. ### 17min 7.5 (1,1),(8,10),(14,15),(3,3),(6,7),(2,2),(7,6),(12,9),(10,8),(17,13),(4,4),(13,12),(5,5),(15,16),(16,17),(9,11),(11,14),(1,1)
  263. ### 17min 7.5 (1,1),(9,8),(2,2),(14,13),(7,5),(17,16),(8,9),(11,11),(12,12),(16,15),(10,10),(15,14),(4,4),(13,17),(6,7),(3,3),(5,6),(1,1)
  264. ### 17min 7.5 (1,1),(9,8),(16,14),(15,12),(10,4),(17,15),(2,2),(14,13),(3,3),(5,6),(11,11),(6,7),(13,17),(8,10),(7,9),(4,5),(12,16),(1,1)
  265. ### 17min 7.5 (1,1),(10,9),(2,2),(14,13),(9,7),(15,14),(8,4),(13,11),(17,16),(12,12),(16,15),(3,3),(5,6),(6,8),(11,17),(7,10),(4,5),(1,1)
  266. ### 17min 7.5 (1,1),(10,9),(2,2),(14,13),(9,7),(15,14),(8,4),(13,11),(17,16),(12,12),(16,15),(3,3),(5,6),(11,17),(6,8),(7,10),(4,5),(1,1)
  267. ### 17min 7.5 (1,1),(14,11),(11,9),(17,16),(16,15),(5,5),(12,13),(4,4),(13,17),(8,10),(9,12),(6,7),(2,2),(7,6),(3,3),(15,14),(10,8),(1,1)
  268. ### 17min 7.5 (1,1),(14,11),(11,9),(17,16),(5,5),(12,13),(4,4),(13,17),(8,10),(9,12),(6,7),(2,2),(7,6),(3,3),(16,15),(15,14),(10,8),(1,1)
  269. ### 17min 7.5 (1,1),(16,12),(5,4),(9,7),(10,8),(17,13),(7,6),(11,11),(6,5),(3,3),(13,14),(2,2),(8,9),(15,17),(4,10),(12,15),(14,16),(1,1)
  270. ### 17min 7.5 (1,1),(16,12),(5,4),(9,7),(10,8),(17,13),(7,6),(11,11),(6,5),(3,3),(13,14),(2,2),(15,17),(4,10),(12,15),(14,16),(8,9),(1,1)
  271. ### 17min 7.5 (1,1),(16,14),(15,12),(10,4),(17,15),(9,8),(2,2),(14,13),(3,3),(5,6),(11,11),(6,7),(13,17),(8,10),(7,9),(4,5),(12,16),(1,1)
  272. ### 17min 7.5 (1,2),(2,3),(13,13),(6,5),(14,14),(5,1),(10,8),(9,6),(12,11),(16,16),(11,12),(15,15),(3,4),(8,10),(17,17),(4,7),(7,9),(1,2)
  273. ### 17min 7.5 (1,2),(6,6),(2,3),(15,15),(13,12),(12,10),(7,1),(11,8),(14,13),(17,17),(8,9),(16,16),(4,5),(9,11),(3,4),(10,14),(5,7),(1,2)
  274. ### 17min 7.5 (1,2),(6,6),(2,3),(15,15),(13,12),(7,1),(12,10),(11,8),(14,13),(17,17),(8,9),(16,16),(4,5),(9,11),(3,4),(10,14),(5,7),(1,2)
  275. ### 17min 7.5 (1,2),(10,9),(7,7),(6,6),(2,3),(8,8),(3,4),(14,14),(5,1),(12,11),(15,15),(13,12),(17,17),(9,10),(16,16),(4,5),(11,13),(1,2)
  276. ### 17min 7.5 (1,2),(13,13),(6,5),(14,14),(5,1),(10,8),(9,6),(12,11),(16,16),(11,12),(15,15),(2,3),(3,4),(8,10),(17,17),(4,7),(7,9),(1,2)
  277. ### 17min 7.5 (1,2),(14,14),(9,5),(12,10),(8,1),(13,12),(17,17),(10,11),(16,16),(7,8),(15,15),(3,4),(11,13),(2,3),(4,6),(5,7),(6,9),(1,2)
  278. ### 17min 7.5 (1,2),(14,14),(9,5),(12,10),(8,1),(13,12),(17,17),(10,11),(16,16),(7,8),(15,15),(3,4),(11,13),(2,3),(5,7),(4,6),(6,9),(1,2)
  279. ### 17min 7.5 (1,3),(9,10),(16,16),(4,5),(15,15),(13,12),(7,7),(12,11),(5,1),(10,8),(11,9),(14,13),(6,2),(17,17),(2,4),(3,6),(8,14),(1,3)
  280. ### 17min 7.5 (1,3),(16,16),(4,5),(15,15),(13,12),(7,7),(12,11),(5,1),(10,8),(11,9),(14,13),(6,2),(17,17),(9,10),(2,4),(3,6),(8,14),(1,3)
  281. ### 17min 7.5 (1,4),(3,5),(9,10),(2,2),(10,11),(15,15),(11,8),(8,3),(12,12),(7,1),(14,13),(17,17),(13,14),(6,9),(16,16),(5,7),(4,6),(1,4)
  282. ### 17min 7.5 (1,4),(3,5),(9,10),(2,2),(10,11),(15,15),(8,3),(12,12),(7,1),(11,8),(14,13),(17,17),(13,14),(6,9),(16,16),(5,7),(4,6),(1,4)
  283. ### 17min 7.5 (1,5),(11,12),(7,7),(12,13),(15,15),(5,4),(16,16),(10,9),(3,1),(14,8),(6,3),(4,2),(17,17),(2,6),(13,14),(9,11),(8,10),(1,5)
  284. ### 17min 7.5 (1,5),(11,12),(7,7),(12,13),(15,15),(5,4),(16,16),(3,1),(14,8),(6,3),(4,2),(10,9),(17,17),(2,6),(13,14),(9,11),(8,10),(1,5)
  285. ### 17min 7.5 (1,5),(14,14),(4,3),(8,8),(3,2),(6,6),(7,7),(9,10),(2,1),(13,11),(5,4),(16,16),(10,9),(17,17),(12,13),(15,15),(11,12),(1,5)
  286. ### 17min 7.5 (1,5),(14,14),(5,6),(13,13),(3,2),(2,1),(9,7),(7,4),(17,17),(10,8),(4,3),(15,15),(12,11),(16,16),(11,12),(6,9),(8,10),(1,5)
  287. ### 17min 7.5 (1,5),(14,14),(5,6),(13,13),(2,1),(9,7),(7,4),(17,17),(10,8),(4,3),(3,2),(15,15),(12,11),(16,16),(11,12),(6,9),(8,10),(1,5)
  288. ### 17min 7.5 (1,7),(10,12),(12,13),(15,15),(3,2),(6,6),(2,1),(7,5),(14,10),(4,3),(11,9),(5,4),(16,16),(9,8),(17,17),(13,14),(8,11),(1,7)
  289. ### 17min 7.5 (1,7),(12,12),(3,8),(8,11),(15,15),(11,10),(2,2),(10,9),(5,3),(4,1),(6,4),(7,5),(16,16),(9,6),(14,13),(17,17),(13,14),(1,7)
  290. ### 17min 7.5 (1,7),(12,12),(3,8),(15,15),(11,10),(2,2),(10,9),(5,3),(4,1),(6,4),(7,5),(16,16),(9,6),(14,13),(17,17),(13,14),(8,11),(1,7)
  291. ### 17min 7.5 (1,7),(12,13),(15,15),(3,2),(6,6),(2,1),(7,5),(14,10),(4,3),(11,9),(5,4),(16,16),(9,8),(17,17),(13,14),(8,11),(10,12),(1,7)
  292. ### 17min 7.5 (1,8),(10,12),(5,9),(14,14),(2,1),(9,6),(6,4),(7,5),(3,2),(13,11),(4,3),(15,15),(8,7),(16,16),(11,10),(17,17),(12,13),(1,8)
  293. ### 17min 7.5 (1,8),(10,12),(5,9),(14,14),(2,1),(9,6),(7,5),(6,4),(3,2),(13,11),(4,3),(15,15),(8,7),(16,16),(11,10),(17,17),(12,13),(1,8)
  294. 0,0,0,1492,4372,24359,131505,583124,2401341,8224584,24716163,56759494,103641380,135672786,122975729,69159282,20957282,2608433,44588
  295. 547905914
  296. Time = 235.703 17min BEST=15
  297.  
  298. ### 18min 8 (1,1),(2,2),(6,5),(11,8),(9,7),(18,12),(7,6),(4,4),(16,17),(13,13),(17,18),(12,14),(5,9),(15,16),(8,10),(14,15),(3,3),(10,11),(1,1)
  299. ### 18min 8 (1,1),(2,2),(6,5),(11,8),(18,12),(9,7),(7,6),(4,4),(16,17),(13,13),(17,18),(12,14),(5,9),(15,16),(8,10),(14,15),(3,3),(10,11),(1,1)
  300. ### 18min 8 (1,1),(3,4),(8,8),(10,9),(9,7),(6,2),(11,10),(12,11),(18,16),(14,13),(17,17),(13,12),(4,5),(15,15),(5,6),(16,18),(2,3),(7,14),(1,1)
  301. ### 18min 8 (1,1),(4,5),(8,8),(11,10),(17,15),(10,2),(16,13),(18,16),(13,12),(12,11),(5,6),(14,14),(6,7),(15,17),(3,4),(7,9),(2,3),(9,18),(1,1)
  302. ### 18min 8 (1,1),(4,5),(11,10),(17,15),(10,2),(16,13),(18,16),(13,12),(12,11),(8,8),(5,6),(14,14),(6,7),(15,17),(3,4),(7,9),(2,3),(9,18),(1,1)
  303. ### 18min 8 (1,1),(5,4),(18,10),(7,5),(12,8),(3,3),(16,17),(9,9),(17,18),(11,13),(8,11),(10,12),(15,16),(14,15),(4,6),(13,14),(2,2),(6,7),(1,1)
  304. ### 18min 8 (1,1),(5,4),(18,10),(7,5),(12,8),(3,3),(16,17),(9,9),(17,18),(11,13),(8,11),(10,12),(15,16),(4,6),(14,15),(13,14),(2,2),(6,7),(1,1)
  305. ### 18min 8 (1,1),(5,4),(18,10),(7,5),(12,8),(3,3),(16,17),(9,9),(17,18),(11,13),(8,11),(10,12),(15,16),(4,6),(13,14),(14,15),(2,2),(6,7),(1,1)
  306. ### 18min 8 (1,1),(5,4),(18,11),(3,3),(16,17),(7,7),(6,5),(8,8),(11,10),(9,9),(17,18),(10,12),(15,16),(4,6),(13,14),(14,15),(2,2),(12,13),(1,1)
  307. ### 18min 8 (1,1),(6,5),(10,8),(3,3),(18,14),(7,6),(4,4),(15,16),(12,12),(11,10),(13,13),(17,18),(9,11),(16,17),(5,7),(14,15),(2,2),(8,9),(1,1)
  308. ### 18min 8 (1,1),(7,6),(2,2),(15,14),(14,13),(6,4),(16,15),(12,10),(11,8),(13,11),(18,17),(9,9),(17,16),(3,3),(8,12),(5,7),(10,18),(4,5),(1,1)
  309. ### 18min 8 (1,1),(7,6),(2,2),(14,13),(15,14),(6,4),(16,15),(12,10),(11,8),(13,11),(18,17),(9,9),(17,16),(3,3),(8,12),(5,7),(10,18),(4,5),(1,1)
  310. ### 18min 8 (1,1),(7,6),(2,2),(14,13),(6,4),(15,14),(16,15),(12,10),(11,8),(13,11),(18,17),(9,9),(17,16),(3,3),(8,12),(5,7),(10,18),(4,5),(1,1)
  311. ### 18min 8 (1,1),(7,6),(2,2),(10,9),(3,3),(16,15),(12,8),(15,13),(18,17),(14,14),(17,16),(5,5),(11,12),(4,4),(9,11),(8,10),(13,18),(6,7),(1,1)
  312. ### 18min 8 (1,1),(7,6),(18,13),(10,8),(11,9),(4,4),(12,11),(5,5),(16,17),(14,14),(17,18),(13,15),(8,12),(15,16),(3,3),(9,10),(2,2),(6,7),(1,1)
  313. ### 18min 8 (1,1),(9,8),(2,2),(15,14),(7,5),(17,16),(11,9),(18,17),(13,13),(10,11),(12,12),(16,15),(4,4),(6,7),(14,18),(3,3),(8,10),(5,6),(1,1)
  314. ### 18min 8 (1,1),(11,10),(3,3),(15,14),(10,8),(16,15),(9,5),(14,12),(18,17),(13,13),(17,16),(4,4),(6,7),(7,9),(12,18),(8,11),(5,6),(2,2),(1,1)
  315. ### 18min 8 (1,1),(11,10),(3,3),(15,14),(10,8),(16,15),(9,5),(14,12),(18,17),(13,13),(17,16),(4,4),(6,7),(12,18),(7,9),(8,11),(5,6),(2,2),(1,1)
  316. ### 18min 8 (1,1),(12,11),(7,5),(13,12),(17,15),(6,3),(18,16),(15,14),(10,10),(9,9),(16,17),(8,8),(14,13),(2,2),(5,7),(3,4),(4,6),(11,18),(1,1)
  317. ### 18min 8 (1,1),(13,12),(2,2),(15,14),(14,13),(6,4),(16,15),(12,10),(18,17),(9,9),(10,11),(8,8),(5,6),(7,7),(17,16),(3,3),(11,18),(4,5),(1,1)
  318. ### 18min 8 (1,1),(14,7),(3,2),(18,16),(6,5),(15,15),(5,4),(12,13),(17,17),(13,14),(16,18),(11,12),(10,11),(2,6),(7,9),(9,10),(8,8),(4,3),(1,1)
  319. ### 18min 8 (1,1),(18,9),(3,2),(9,7),(4,3),(17,15),(7,6),(14,14),(6,5),(8,8),(11,12),(12,13),(16,18),(13,16),(2,10),(15,17),(10,11),(5,4),(1,1)
  320. ### 18min 8 (1,1),(18,9),(3,2),(9,7),(4,3),(17,15),(7,6),(14,14),(6,5),(11,12),(12,13),(16,18),(13,16),(2,10),(15,17),(10,11),(8,8),(5,4),(1,1)
  321. ### 18min 8 (1,1),(18,11),(6,4),(4,3),(7,5),(2,2),(13,14),(8,8),(17,16),(9,9),(10,10),(14,15),(16,18),(3,6),(15,17),(12,13),(5,7),(11,12),(1,1)
  322. ### 18min 8 (1,2),(3,3),(4,4),(7,6),(13,11),(17,14),(5,1),(18,15),(9,8),(10,10),(12,13),(16,18),(6,9),(15,17),(2,5),(14,16),(11,12),(8,7),(1,2)
  323. ### 18min 8 (1,2),(3,3),(4,4),(7,6),(13,11),(17,14),(5,1),(18,15),(9,8),(12,13),(16,18),(6,9),(15,17),(2,5),(14,16),(11,12),(10,10),(8,7),(1,2)
  324. ### 18min 8 (1,2),(5,5),(2,3),(14,14),(8,7),(15,15),(10,8),(11,9),(6,1),(13,12),(18,18),(12,13),(17,17),(9,10),(16,16),(3,4),(7,11),(4,6),(1,2)
  325. ### 18min 8 (1,2),(6,6),(2,3),(15,15),(13,12),(12,10),(7,1),(11,8),(14,13),(17,17),(18,18),(8,9),(16,16),(4,5),(9,11),(3,4),(10,14),(5,7),(1,2)
  326. ### 18min 8 (1,2),(6,6),(2,3),(15,15),(13,12),(7,1),(12,10),(11,8),(14,13),(17,17),(18,18),(8,9),(16,16),(4,5),(9,11),(3,4),(10,14),(5,7),(1,2)
  327. ### 18min 8 (1,2),(6,6),(9,8),(7,7),(3,4),(15,15),(13,12),(5,1),(16,16),(11,9),(14,13),(18,18),(10,11),(17,17),(4,5),(12,14),(2,3),(8,10),(1,2)
  328. ### 18min 8 (1,2),(8,8),(17,15),(6,5),(16,14),(7,1),(14,11),(18,16),(13,12),(10,10),(9,9),(3,4),(11,13),(2,3),(5,7),(15,18),(4,6),(12,17),(1,2)
  329. ### 18min 8 (1,2),(9,9),(8,8),(17,15),(6,5),(16,14),(7,1),(14,11),(18,16),(13,12),(10,10),(3,4),(11,13),(2,3),(5,7),(15,18),(4,6),(12,17),(1,2)
  330. ### 18min 8 (1,2),(10,10),(2,3),(16,16),(11,7),(14,12),(9,1),(15,14),(18,18),(12,13),(17,17),(4,5),(5,6),(13,15),(3,4),(7,9),(8,11),(6,8),(1,2)
  331. ### 18min 8 (1,2),(10,10),(2,3),(16,16),(11,7),(14,12),(9,1),(15,14),(18,18),(12,13),(17,17),(5,6),(4,5),(13,15),(3,4),(7,9),(8,11),(6,8),(1,2)
  332. ### 18min 8 (1,2),(10,10),(2,3),(16,16),(11,7),(14,12),(9,1),(15,14),(18,18),(12,13),(17,17),(5,6),(13,15),(4,5),(3,4),(7,9),(8,11),(6,8),(1,2)
  333. ### 18min 8 (1,2),(10,10),(9,8),(11,11),(14,13),(12,12),(2,3),(16,16),(8,1),(15,14),(18,18),(6,7),(17,17),(4,5),(5,6),(13,15),(3,4),(7,9),(1,2)
  334. ### 18min 8 (1,3),(4,5),(9,9),(10,10),(3,2),(11,11),(5,6),(17,17),(14,12),(16,15),(15,13),(8,1),(18,18),(7,8),(12,14),(6,7),(2,4),(13,16),(1,3)
  335. ### 18min 8 (1,3),(5,6),(2,2),(6,7),(15,14),(4,4),(14,13),(3,1),(17,16),(12,5),(18,18),(16,15),(11,11),(9,10),(10,12),(13,17),(8,9),(7,8),(1,3)
  336. ### 18min 8 (1,3),(6,7),(9,9),(11,10),(4,1),(18,14),(5,2),(8,6),(13,12),(15,15),(16,16),(17,18),(12,11),(7,8),(3,5),(14,17),(2,4),(10,13),(1,3)
  337. ### 18min 8 (1,3),(6,7),(11,10),(4,1),(18,14),(5,2),(8,6),(13,12),(15,15),(16,16),(17,18),(12,11),(9,9),(7,8),(3,5),(14,17),(2,4),(10,13),(1,3)
  338. ### 18min 8 (1,3),(6,7),(7,8),(11,11),(14,13),(5,5),(13,12),(4,2),(16,15),(12,10),(17,16),(10,1),(18,18),(15,14),(8,9),(2,4),(9,17),(3,6),(1,3)
  339. ### 18min 8 (1,3),(6,7),(7,8),(14,13),(5,5),(13,12),(4,2),(16,15),(12,10),(17,16),(10,1),(18,18),(15,14),(11,11),(8,9),(2,4),(9,17),(3,6),(1,3)
  340. ### 18min 8 (1,3),(6,7),(10,10),(7,6),(3,1),(16,13),(9,5),(17,14),(12,8),(18,15),(4,2),(11,11),(2,4),(15,18),(8,12),(14,17),(5,9),(13,16),(1,3)
  341. ### 18min 8 (1,3),(6,7),(10,10),(3,1),(16,13),(9,5),(17,14),(12,8),(18,15),(4,2),(7,6),(11,11),(2,4),(15,18),(8,12),(14,17),(5,9),(13,16),(1,3)
  342. ### 18min 8 (1,3),(6,7),(9,9),(10,10),(16,15),(8,6),(17,16),(14,12),(4,1),(15,13),(7,2),(18,17),(11,11),(2,4),(13,14),(3,5),(12,18),(5,8),(1,3)
  343. ### 18min 8 (1,3),(6,7),(9,9),(16,15),(8,6),(17,16),(14,12),(4,1),(15,13),(7,2),(18,17),(10,10),(11,11),(2,4),(13,14),(3,5),(12,18),(5,8),(1,3)
  344. ### 18min 8 (1,3),(10,10),(7,6),(3,1),(16,13),(9,5),(17,14),(12,8),(18,15),(4,2),(11,11),(6,7),(2,4),(15,18),(8,12),(14,17),(5,9),(13,16),(1,3)
  345. ### 18min 8 (1,3),(10,10),(3,1),(16,13),(9,5),(17,14),(12,8),(18,15),(4,2),(7,6),(11,11),(6,7),(2,4),(15,18),(8,12),(14,17),(5,9),(13,16),(1,3)
  346. ### 18min 8 (1,3),(13,14),(4,4),(14,15),(7,6),(2,2),(6,5),(3,1),(8,7),(9,8),(17,13),(12,10),(10,9),(11,11),(15,16),(18,18),(5,12),(16,17),(1,3)
  347. ### 18min 8 (1,4),(10,11),(9,9),(7,6),(3,1),(13,10),(4,2),(17,14),(5,3),(8,7),(11,12),(18,17),(16,16),(15,15),(12,13),(6,8),(2,5),(14,18),(1,4)
  348. ### 18min 8 (1,4),(10,11),(7,6),(3,1),(13,10),(4,2),(17,14),(5,3),(8,7),(9,9),(11,12),(18,17),(16,16),(15,15),(12,13),(6,8),(2,5),(14,18),(1,4)
  349. ### 18min 8 (1,4),(12,14),(16,17),(6,8),(15,16),(10,10),(9,9),(7,6),(3,1),(8,5),(18,12),(5,3),(14,13),(4,2),(11,11),(17,18),(2,7),(13,15),(1,4)
  350. ### 18min 8 (1,4),(12,14),(16,17),(6,8),(15,16),(9,9),(7,6),(3,1),(8,5),(18,12),(5,3),(14,13),(4,2),(11,11),(10,10),(17,18),(2,7),(13,15),(1,4)
  351. ### 18min 8 (1,4),(15,17),(12,13),(8,8),(13,12),(17,15),(4,1),(11,7),(5,2),(14,10),(6,3),(18,16),(9,9),(16,18),(3,6),(10,14),(2,5),(7,11),(1,4)
  352. ### 18min 8 (1,4),(15,17),(12,13),(8,8),(17,15),(4,1),(11,7),(5,2),(14,10),(6,3),(18,16),(13,12),(9,9),(16,18),(3,6),(10,14),(2,5),(7,11),(1,4)
  353. ### 18min 8 (1,4),(15,17),(8,8),(13,12),(17,15),(4,1),(11,7),(5,2),(14,10),(6,3),(18,16),(9,9),(12,13),(16,18),(3,6),(10,14),(2,5),(7,11),(1,4)
  354. ### 18min 8 (1,4),(15,17),(8,8),(17,15),(4,1),(11,7),(5,2),(14,10),(6,3),(18,16),(13,12),(9,9),(12,13),(16,18),(3,6),(10,14),(2,5),(7,11),(1,4)
  355. ### 18min 8 (1,5),(12,13),(15,15),(4,3),(7,7),(8,9),(6,6),(2,1),(10,8),(3,2),(14,12),(5,4),(17,17),(11,10),(18,18),(13,14),(9,11),(16,16),(1,5)
  356. ### 18min 8 (1,5),(14,17),(11,13),(6,7),(4,4),(3,3),(2,1),(7,8),(10,10),(12,11),(16,14),(5,2),(17,15),(9,6),(18,16),(13,12),(8,9),(15,18),(1,5)
  357. ### 18min 8 (1,5),(14,17),(11,13),(6,7),(4,4),(3,3),(2,1),(7,8),(12,11),(16,14),(5,2),(17,15),(9,6),(18,16),(13,12),(10,10),(8,9),(15,18),(1,5)
  358. ### 18min 8 (1,6),(9,11),(8,10),(15,15),(7,8),(14,14),(3,2),(5,5),(2,1),(6,4),(11,7),(4,3),(16,16),(10,9),(17,17),(13,12),(18,18),(12,13),(1,6)
  359. ### 18min 8 (1,7),(10,12),(12,13),(15,15),(3,2),(6,6),(2,1),(7,5),(14,10),(4,3),(11,9),(5,4),(16,16),(9,8),(18,18),(17,17),(13,14),(8,11),(1,7)
  360. ### 18min 8 (1,7),(12,13),(15,15),(3,2),(6,6),(2,1),(7,5),(14,10),(4,3),(11,9),(5,4),(16,16),(9,8),(18,18),(17,17),(13,14),(8,11),(10,12),(1,7)
  361. ### 18min 8 (1,7),(14,16),(5,6),(15,17),(8,8),(9,9),(2,1),(17,12),(6,4),(18,15),(7,5),(3,2),(13,11),(4,3),(10,10),(12,13),(16,18),(11,14),(1,7)
  362. ### 18min 8 (1,7),(14,16),(5,6),(15,17),(8,8),(2,1),(17,12),(6,4),(18,15),(7,5),(3,2),(13,11),(4,3),(9,9),(10,10),(12,13),(16,18),(11,14),(1,7)
  363. ### 18min 8 (1,8),(13,15),(15,16),(12,14),(17,17),(6,5),(11,11),(2,3),(10,10),(9,9),(5,4),(3,1),(16,13),(4,2),(7,6),(14,12),(8,7),(18,18),(1,8)
  364. ### 18min 8 (1,8),(16,16),(3,2),(12,12),(13,14),(11,11),(8,9),(10,10),(2,1),(9,7),(4,3),(15,13),(6,5),(5,4),(17,17),(7,6),(18,18),(14,15),(1,8)
  365. ### 18min 8 (1,9),(12,14),(7,11),(16,16),(3,2),(10,10),(2,1),(8,6),(11,8),(9,7),(4,3),(5,4),(15,13),(6,5),(17,17),(13,12),(18,18),(14,15),(1,9)
  366. ### 18min 8 (1,9),(12,14),(7,11),(16,16),(3,2),(10,10),(2,1),(8,6),(11,8),(9,7),(4,3),(15,13),(5,4),(6,5),(17,17),(13,12),(18,18),(14,15),(1,9)
  367. ### 18min 8 (1,9),(12,14),(7,11),(16,16),(3,2),(10,10),(2,1),(8,6),(11,8),(9,7),(4,3),(15,13),(6,5),(5,4),(17,17),(13,12),(18,18),(14,15),(1,9)
  368. ### 18min 8 (1,9),(18,1),(14,4),(11,8),(9,11),(4,17),(17,10),(6,16),(3,18),(7,13),(8,12),(13,5),(5,14),(12,6),(2,15),(15,3),(10,7),(16,2),(1,9)
  369. ### 18min 8 (1,9),(18,1),(14,4),(9,11),(4,17),(17,10),(6,16),(3,18),(7,13),(8,12),(11,8),(13,5),(5,14),(12,6),(2,15),(15,3),(10,7),(16,2),(1,9)
  370. ### 18min 8 (1,10),(14,4),(18,1),(13,7),(17,2),(5,15),(6,14),(15,6),(4,16),(9,12),(11,11),(8,13),(2,18),(10,9),(3,17),(16,3),(7,8),(12,5),(1,10)
  371. ### 18min 8 (1,10),(14,4),(18,1),(13,7),(17,2),(6,14),(5,15),(15,6),(4,16),(9,12),(11,11),(8,13),(2,18),(10,9),(3,17),(16,3),(7,8),(12,5),(1,10)
  372. ### 18min 8 (1,10),(14,4),(18,1),(13,7),(17,2),(6,14),(15,6),(5,15),(4,16),(9,12),(11,11),(8,13),(2,18),(10,9),(3,17),(16,3),(7,8),(12,5),(1,10)
  373. ### 18min 8 (1,10),(16,17),(10,12),(15,16),(2,4),(12,13),(5,5),(13,14),(11,11),(8,7),(7,6),(3,1),(6,3),(17,9),(4,2),(9,8),(14,15),(18,18),(1,10)
  374. ### 18min 8 (1,10),(16,17),(10,12),(15,16),(2,4),(12,13),(5,5),(13,14),(8,7),(7,6),(3,1),(6,3),(17,9),(4,2),(9,8),(11,11),(14,15),(18,18),(1,10)
  375. nodesAtEachDepth[] = 0,0,0,1930,5824,33229,185487,863702,3798927,14196671,47487102,125119392,270911872,441084437,530540408,433612924,221299415,60870558,6795315,96337
  376. #nodes = 2156903530
  377. Time = 726.032 18min BEST=16
  378.  
  379. ### 19min 8.5 (1,1),(2,2),(10,9),(3,3),(16,15),(8,6),(18,17),(12,10),(19,18),(14,14),(11,12),(13,13),(17,16),(5,5),(7,8),(15,19),(4,4),(9,11),(6,7),(1,1)
  380. ### 19min 8.5 (1,1),(2,2),(7,6),(11,9),(4,4),(19,15),(8,7),(5,5),(16,17),(13,13),(12,11),(14,14),(18,19),(10,12),(17,18),(6,8),(15,16),(3,3),(9,10),(1,1)
  381. ### 19min 8.5 (1,1),(3,4),(9,9),(4,5),(12,12),(11,11),(18,17),(13,8),(17,15),(10,2),(16,13),(19,18),(6,7),(14,16),(5,6),(15,19),(8,10),(2,3),(7,14),(1,1)
  382. ### 19min 8.5 (1,1),(4,5),(8,8),(11,10),(17,15),(10,2),(16,13),(18,16),(13,12),(19,19),(12,11),(5,6),(14,14),(6,7),(15,17),(3,4),(7,9),(2,3),(9,18),(1,1)
  383. ### 19min 8.5 (1,1),(4,5),(11,10),(17,15),(10,2),(16,13),(18,16),(13,12),(19,19),(12,11),(8,8),(5,6),(14,14),(6,7),(15,17),(3,4),(7,9),(2,3),(9,18),(1,1)
  384. ### 19min 8.5 (1,1),(6,4),(15,8),(8,5),(19,12),(11,7),(4,3),(2,2),(18,19),(7,11),(10,13),(5,9),(14,16),(3,6),(12,14),(9,10),(13,15),(17,18),(16,17),(1,1)
  385. ### 19min 8.5 (1,1),(7,6),(11,9),(4,4),(19,15),(8,7),(5,5),(16,17),(13,13),(12,11),(14,14),(18,19),(10,12),(17,18),(6,8),(15,16),(3,3),(2,2),(9,10),(1,1)
  386. ### 19min 8.5 (1,1),(7,6),(11,9),(4,4),(19,15),(8,7),(5,5),(16,17),(13,13),(12,11),(14,14),(18,19),(10,12),(17,18),(6,8),(15,16),(3,3),(9,10),(2,2),(1,1)
  387. ### 19min 8.5 (1,1),(7,8),(2,2),(14,13),(3,3),(17,16),(16,14),(11,6),(18,17),(5,5),(4,4),(8,9),(12,12),(9,10),(19,19),(10,11),(13,15),(6,7),(15,18),(1,1)
  388. ### 19min 8.5 (1,1),(7,8),(5,5),(4,4),(3,2),(8,9),(11,11),(13,12),(17,15),(6,3),(18,16),(10,7),(19,17),(14,13),(9,10),(16,19),(2,6),(15,18),(12,14),(1,1)
  389. ### 19min 8.5 (1,1),(7,8),(5,5),(4,4),(3,2),(8,9),(13,12),(17,15),(6,3),(18,16),(10,7),(19,17),(14,13),(11,11),(9,10),(16,19),(2,6),(15,18),(12,14),(1,1)
  390. ### 19min 8.5 (1,1),(8,6),(19,12),(6,5),(7,7),(5,4),(3,3),(17,18),(14,14),(10,9),(11,10),(18,19),(4,8),(13,15),(16,17),(9,11),(15,16),(2,2),(12,13),(1,1)
  391. ### 19min 8.5 (1,1),(8,6),(19,12),(6,5),(7,7),(5,4),(3,3),(17,18),(10,9),(11,10),(14,14),(18,19),(4,8),(13,15),(16,17),(9,11),(15,16),(2,2),(12,13),(1,1)
  392. ### 19min 8.5 (1,1),(8,7),(4,2),(7,4),(18,10),(5,3),(10,9),(12,12),(15,16),(19,19),(2,11),(17,18),(11,13),(16,17),(3,5),(13,14),(6,6),(14,15),(9,8),(1,1)
  393. ### 19min 8.5 (1,1),(8,7),(4,2),(7,4),(18,10),(5,3),(10,9),(15,16),(19,19),(2,11),(17,18),(11,13),(16,17),(3,5),(13,14),(6,6),(14,15),(12,12),(9,8),(1,1)
  394. ### 19min 8.5 (1,1),(8,9),(12,12),(15,14),(6,6),(14,13),(5,3),(17,16),(13,11),(18,17),(11,2),(19,19),(16,15),(9,10),(3,5),(10,18),(4,7),(2,4),(7,8),(1,1)
  395. ### 19min 8.5 (1,1),(8,9),(15,14),(6,6),(14,13),(5,3),(17,16),(13,11),(18,17),(11,2),(19,19),(16,15),(12,12),(9,10),(3,5),(10,18),(4,7),(2,4),(7,8),(1,1)
  396. ### 19min 8.5 (1,1),(10,9),(2,2),(3,3),(16,15),(8,6),(18,17),(12,10),(19,18),(14,14),(11,12),(13,13),(17,16),(5,5),(7,8),(15,19),(4,4),(9,11),(6,7),(1,1)
  397. ### 19min 8.5 (1,1),(10,9),(3,3),(16,15),(8,6),(18,17),(12,10),(19,18),(14,14),(11,12),(13,13),(17,16),(5,5),(7,8),(15,19),(4,4),(9,11),(6,7),(2,2),(1,1)
  398. ### 19min 8.5 (1,1),(10,9),(7,5),(14,13),(5,2),(19,19),(13,12),(18,18),(6,7),(17,17),(3,4),(4,6),(9,14),(2,3),(15,15),(16,16),(12,11),(8,8),(11,10),(1,1)
  399. ### 19min 8.5 (1,1),(10,11),(8,8),(11,12),(16,16),(15,15),(3,2),(14,9),(6,4),(4,3),(17,17),(7,6),(18,18),(12,13),(19,19),(2,5),(13,14),(5,7),(9,10),(1,1)
  400. ### 19min 8.5 (1,1),(13,12),(2,2),(16,15),(11,9),(17,16),(15,13),(8,4),(19,18),(14,14),(10,11),(9,10),(18,17),(3,3),(4,5),(7,7),(5,6),(12,19),(6,8),(1,1)
  401. ### 19min 8.5 (1,1),(13,12),(2,2),(16,15),(11,9),(17,16),(15,13),(8,4),(19,18),(10,11),(9,10),(14,14),(18,17),(3,3),(4,5),(7,7),(5,6),(12,19),(6,8),(1,1)
  402. ### 19min 8.5 (1,1),(14,7),(3,2),(10,8),(19,15),(6,5),(16,14),(7,6),(18,19),(13,16),(2,10),(15,17),(8,13),(17,18),(11,11),(12,12),(5,4),(9,9),(4,3),(1,1)
  403. ### 19min 8.5 (1,1),(14,12),(18,15),(6,2),(19,16),(10,9),(11,11),(13,14),(17,19),(7,10),(16,18),(3,6),(15,17),(12,13),(9,8),(2,3),(4,4),(5,5),(8,7),(1,1)
  404. ### 19min 8.5 (1,1),(14,12),(18,15),(6,2),(19,16),(10,9),(13,14),(17,19),(7,10),(16,18),(3,6),(15,17),(12,13),(11,11),(9,8),(2,3),(4,4),(5,5),(8,7),(1,1)
  405. ### 19min 8.5 (1,1),(15,14),(16,15),(6,4),(17,16),(9,7),(5,2),(10,8),(19,18),(13,13),(8,9),(4,6),(7,10),(14,19),(3,5),(12,12),(2,3),(11,11),(18,17),(1,1)
  406. ### 19min 8.5 (1,1),(15,14),(16,15),(6,4),(17,16),(9,7),(5,2),(10,8),(19,18),(13,13),(4,6),(7,10),(14,19),(3,5),(8,9),(12,12),(2,3),(11,11),(18,17),(1,1)
  407. ### 19min 8.5 (1,1),(17,16),(18,17),(15,13),(10,9),(14,12),(6,3),(16,14),(9,5),(13,10),(11,7),(19,18),(2,2),(3,4),(7,11),(12,19),(5,8),(8,15),(4,6),(1,1)
  408. ### 19min 8.5 (1,1),(17,18),(11,11),(3,2),(12,12),(9,8),(5,3),(19,14),(10,7),(6,4),(13,13),(18,19),(8,10),(2,5),(7,9),(16,17),(4,6),(15,16),(14,15),(1,1)
  409. ### 19min 8.5 (1,1),(17,18),(11,11),(3,2),(12,12),(5,3),(19,14),(10,7),(6,4),(9,8),(13,13),(18,19),(8,10),(2,5),(7,9),(16,17),(4,6),(15,16),(14,15),(1,1)
  410. ### 19min 8.5 (1,1),(18,9),(3,2),(9,7),(4,3),(17,15),(7,6),(14,14),(6,5),(8,8),(11,12),(19,19),(12,13),(16,18),(13,16),(2,10),(15,17),(10,11),(5,4),(1,1)
  411. ### 19min 8.5 (1,1),(18,9),(3,2),(9,7),(4,3),(17,15),(7,6),(14,14),(6,5),(11,12),(19,19),(12,13),(16,18),(13,16),(2,10),(15,17),(10,11),(8,8),(5,4),(1,1)
  412. ### 19min 8.5 (1,1),(18,15),(7,6),(15,13),(11,10),(19,19),(10,9),(12,12),(9,8),(4,4),(5,5),(17,18),(6,11),(14,16),(16,17),(3,3),(13,14),(2,2),(8,7),(1,1)
  413. ### 19min 8.5 (1,2),(6,6),(9,8),(7,7),(3,4),(15,15),(13,12),(5,1),(16,16),(11,9),(14,13),(18,18),(19,19),(10,11),(17,17),(4,5),(12,14),(2,3),(8,10),(1,2)
  414. ### 19min 8.5 (1,2),(6,6),(9,8),(7,7),(3,4),(15,15),(13,12),(5,1),(16,16),(11,9),(14,13),(19,19),(18,18),(10,11),(17,17),(4,5),(12,14),(2,3),(8,10),(1,2)
  415. ### 19min 8.5 (1,2),(6,6),(9,8),(7,7),(3,4),(15,15),(13,12),(5,1),(16,16),(11,9),(14,13),(19,19),(10,11),(18,18),(17,17),(4,5),(12,14),(2,3),(8,10),(1,2)
  416. ### 19min 8.5 (1,2),(6,6),(10,9),(11,10),(2,3),(17,17),(16,15),(13,13),(15,14),(8,1),(14,12),(19,19),(7,8),(18,18),(4,5),(9,11),(3,4),(5,7),(12,16),(1,2)
  417. ### 19min 8.5 (1,2),(7,7),(12,11),(16,14),(13,10),(6,1),(17,15),(8,8),(18,17),(9,9),(2,3),(19,19),(5,6),(4,5),(14,16),(3,4),(11,13),(15,18),(10,12),(1,2)
  418. ### 19min 8.5 (1,2),(7,7),(16,14),(13,10),(6,1),(17,15),(12,11),(8,8),(18,17),(9,9),(2,3),(19,19),(5,6),(4,5),(14,16),(3,4),(11,13),(15,18),(10,12),(1,2)
  419. ### 19min 8.5 (1,2),(9,9),(15,14),(10,10),(17,16),(18,17),(7,4),(13,11),(11,8),(6,1),(14,12),(19,18),(2,3),(5,7),(16,19),(4,6),(12,15),(3,5),(8,13),(1,2)
  420. ### 19min 8.5 (1,2),(10,9),(11,10),(6,6),(2,3),(17,17),(16,15),(13,13),(15,14),(8,1),(14,12),(19,19),(7,8),(18,18),(4,5),(9,11),(3,4),(5,7),(12,16),(1,2)
  421. ### 19min 8.5 (1,2),(10,9),(13,11),(8,5),(14,12),(18,15),(5,1),(19,16),(6,6),(7,7),(2,3),(17,17),(3,4),(12,14),(9,10),(16,19),(4,8),(15,18),(11,13),(1,2)
  422. ### 19min 8.5 (1,2),(10,10),(17,16),(8,5),(13,11),(12,9),(7,1),(14,12),(18,17),(19,18),(2,3),(15,15),(3,4),(6,8),(16,19),(5,7),(11,14),(4,6),(9,13),(1,2)
  423. ### 19min 8.5 (1,2),(14,13),(6,4),(15,14),(5,1),(12,10),(18,17),(13,6),(19,19),(17,16),(11,11),(16,15),(8,8),(9,9),(2,3),(7,12),(3,5),(10,18),(4,7),(1,2)
  424. ### 19min 8.5 (1,2),(18,17),(15,13),(4,1),(16,14),(8,5),(17,15),(12,7),(19,18),(11,11),(5,6),(10,10),(3,4),(2,3),(13,16),(7,9),(9,12),(14,19),(6,8),(1,2)
  425. ### 19min 8.5 (1,2),(18,17),(5,5),(17,16),(14,12),(4,1),(15,13),(9,6),(16,14),(11,7),(19,18),(10,10),(3,4),(12,15),(7,9),(8,11),(13,19),(6,8),(2,3),(1,2)
  426. ### 19min 8.5 (1,2),(18,18),(17,16),(13,9),(8,1),(15,12),(12,5),(16,14),(19,19),(3,4),(2,3),(5,7),(10,11),(6,8),(14,17),(4,6),(11,15),(7,10),(9,13),(1,2)
  427. ### 19min 8.5 (1,3),(6,7),(9,9),(11,10),(4,1),(18,14),(5,2),(8,6),(19,19),(13,12),(15,15),(16,16),(17,18),(12,11),(7,8),(3,5),(14,17),(2,4),(10,13),(1,3)
  428. ### 19min 8.5 (1,3),(6,7),(11,10),(4,1),(18,14),(5,2),(8,6),(19,19),(13,12),(15,15),(16,16),(17,18),(12,11),(9,9),(7,8),(3,5),(14,17),(2,4),(10,13),(1,3)
  429. ### 19min 8.5 (1,4),(10,11),(6,8),(16,17),(3,3),(17,18),(13,13),(14,14),(4,1),(19,15),(5,2),(8,6),(15,12),(9,7),(11,10),(18,19),(7,9),(2,5),(12,16),(1,4)
  430. ### 19min 8.5 (1,4),(10,11),(9,9),(7,6),(3,1),(13,10),(4,2),(17,14),(5,3),(8,7),(11,12),(18,17),(16,16),(15,15),(12,13),(19,19),(6,8),(2,5),(14,18),(1,4)
  431. ### 19min 8.5 (1,4),(10,11),(7,6),(3,1),(13,10),(4,2),(17,14),(5,3),(8,7),(9,9),(11,12),(18,17),(16,16),(15,15),(12,13),(19,19),(6,8),(2,5),(14,18),(1,4)
  432. ### 19min 8.5 (1,4),(12,14),(16,17),(5,5),(17,18),(2,1),(3,2),(8,6),(19,13),(11,8),(9,7),(15,12),(4,3),(10,10),(18,19),(7,11),(14,16),(6,9),(13,15),(1,4)
  433. ### 19min 8.5 (1,4),(13,15),(17,18),(2,1),(8,6),(19,14),(12,9),(9,7),(16,13),(3,2),(4,3),(10,10),(6,5),(11,11),(18,19),(7,12),(15,17),(5,8),(14,16),(1,4)
  434. ### 19min 8.5 (1,4),(14,14),(13,13),(18,17),(3,3),(17,16),(8,6),(11,10),(4,1),(16,12),(5,2),(9,7),(19,18),(10,11),(7,9),(12,15),(6,8),(2,5),(15,19),(1,4)
  435. ### 19min 8.5 (1,5),(12,13),(15,15),(4,3),(7,7),(8,9),(6,6),(2,1),(10,8),(3,2),(14,12),(5,4),(17,17),(18,18),(11,10),(19,19),(13,14),(9,11),(16,16),(1,5)
  436. ### 19min 8.5 (1,5),(12,13),(15,15),(4,3),(7,7),(8,9),(6,6),(2,1),(10,8),(3,2),(14,12),(5,4),(17,17),(11,10),(18,18),(19,19),(13,14),(9,11),(16,16),(1,5)
  437. ### 19min 8.5 (1,5),(12,13),(15,15),(4,3),(7,7),(8,9),(6,6),(2,1),(10,8),(3,2),(14,12),(5,4),(17,17),(11,10),(19,19),(18,18),(13,14),(9,11),(16,16),(1,5)
  438. ### 19min 8.5 (1,5),(14,15),(4,6),(13,14),(2,1),(7,4),(18,10),(5,3),(12,7),(3,2),(9,9),(8,8),(15,16),(11,11),(16,17),(19,19),(6,13),(17,18),(10,12),(1,5)
  439. ### 19min 8.5 (1,5),(15,18),(12,14),(5,8),(11,13),(9,10),(2,1),(13,11),(18,15),(8,4),(19,16),(10,9),(14,12),(4,3),(17,17),(3,2),(7,7),(6,6),(16,19),(1,5)
  440. ### 19min 8.5 (1,6),(8,11),(11,13),(4,7),(17,18),(16,17),(10,10),(14,15),(9,9),(2,1),(13,8),(5,3),(15,12),(6,4),(19,16),(7,5),(3,2),(18,19),(12,14),(1,6)
  441. ### 19min 8.5 (1,6),(10,13),(14,16),(11,12),(7,7),(2,1),(12,10),(18,15),(13,11),(4,3),(16,14),(5,4),(6,5),(19,19),(3,2),(9,9),(17,18),(8,8),(15,17),(1,6)
  442. ### 19min 8.5 (1,6),(10,13),(14,16),(7,7),(2,1),(12,10),(18,15),(13,11),(4,3),(16,14),(5,4),(6,5),(19,19),(3,2),(9,9),(17,18),(8,8),(11,12),(15,17),(1,6)
  443. ### 19min 8.5 (1,7),(9,12),(11,13),(5,8),(16,17),(10,10),(2,1),(13,9),(6,4),(14,11),(7,5),(19,16),(8,6),(4,3),(15,15),(3,2),(18,19),(17,18),(12,14),(1,7)
  444. ### 19min 8.5 (1,8),(9,13),(16,17),(18,18),(2,1),(13,9),(10,7),(15,11),(6,4),(17,14),(8,6),(11,10),(7,5),(3,2),(4,3),(19,19),(14,16),(5,12),(12,15),(1,8)
  445. ### 19min 8.5 (1,8),(14,15),(13,13),(15,16),(17,17),(3,2),(6,6),(10,11),(9,10),(2,1),(16,12),(7,5),(4,3),(11,9),(5,4),(18,18),(8,7),(19,19),(12,14),(1,8)
  446. ### 19min 8.5 (1,8),(14,15),(13,13),(15,16),(17,17),(3,2),(10,11),(9,10),(6,6),(2,1),(16,12),(7,5),(4,3),(11,9),(5,4),(18,18),(8,7),(19,19),(12,14),(1,8)
  447. nodesAtEachDepth[] = 0,0,0,2099,6384,38753,228034,1133648,5390201,21975574,81382042,242248636,609345322,1188162822,1793770810,1952447204,1455741573,675116006,168120291,16814622,232257
  448. #nodes = 8212156278
  449. Time = 2904.38 19min BEST=17
  450.  
  451. ### 20min 9 (1,1),(2,2),(17,16),(7,5),(18,17),(13,11),(12,9),(9,4),(14,12),(20,19),(15,15),(19,18),(3,3),(16,20),(6,7),(8,10),(11,14),(4,8),(10,13),(5,6),(1,1)
  452. ### 20min 9 (1,1),(2,2),(17,16),(7,5),(18,17),(13,11),(12,9),(9,4),(14,12),(20,19),(15,15),(19,18),(3,3),(16,20),(6,7),(11,14),(4,8),(10,13),(8,10),(5,6),(1,1)
  453. ### 20min 9 (1,1),(3,2),(7,5),(12,8),(5,4),(18,18),(10,9),(19,19),(14,13),(20,20),(13,14),(2,6),(9,11),(8,10),(17,17),(11,12),(16,16),(6,7),(15,15),(4,3),(1,1)
  454. ### 20min 9 (1,1),(3,4),(15,15),(7,6),(16,16),(12,11),(17,17),(10,8),(11,9),(6,2),(14,13),(20,20),(13,14),(19,19),(9,10),(18,18),(4,5),(8,12),(5,7),(2,3),(1,1)
  455. ### 20min 9 (1,1),(3,4),(16,16),(17,17),(13,12),(9,9),(12,11),(2,2),(11,10),(8,6),(15,14),(6,3),(20,20),(14,13),(19,19),(7,8),(18,18),(4,5),(5,7),(10,15),(1,1)
  456. ### 20min 9 (1,1),(4,3),(19,10),(6,4),(11,8),(9,7),(20,19),(8,6),(13,12),(7,5),(2,2),(17,18),(18,20),(16,17),(12,14),(5,11),(10,13),(3,9),(14,15),(15,16),(1,1)
  457. ### 20min 9 (1,1),(5,4),(20,11),(7,5),(10,7),(3,3),(16,17),(13,13),(9,8),(18,19),(19,20),(6,9),(12,14),(17,18),(8,10),(15,16),(4,6),(14,15),(2,2),(11,12),(1,1)
  458. ### 20min 9 (1,1),(5,4),(20,11),(7,5),(10,7),(3,3),(16,17),(9,8),(13,13),(18,19),(19,20),(6,9),(12,14),(17,18),(8,10),(15,16),(4,6),(14,15),(2,2),(11,12),(1,1)
  459. ### 20min 9 (1,1),(5,4),(20,11),(9,6),(7,5),(10,7),(3,3),(18,19),(15,15),(19,20),(14,16),(4,9),(17,18),(8,10),(16,17),(2,2),(13,14),(6,8),(12,13),(11,12),(1,1)
  460. ### 20min 9 (1,1),(5,4),(10,7),(8,6),(18,13),(9,3),(19,14),(16,12),(20,17),(15,11),(2,2),(11,15),(17,20),(12,16),(14,19),(3,9),(13,18),(6,8),(7,10),(4,5),(1,1)
  461. ### 20min 9 (1,1),(5,6),(2,2),(17,16),(7,5),(18,17),(13,11),(12,9),(9,4),(14,12),(20,19),(15,15),(19,18),(3,3),(16,20),(6,7),(11,14),(4,8),(10,13),(8,10),(1,1)
  462. ### 20min 9 (1,1),(6,5),(10,8),(13,10),(8,4),(14,11),(7,6),(20,16),(3,3),(2,2),(18,19),(15,15),(19,20),(12,14),(4,9),(9,12),(11,13),(17,18),(5,7),(16,17),(1,1)
  463. ### 20min 9 (1,1),(6,5),(10,8),(13,10),(8,4),(14,11),(7,6),(20,16),(3,3),(18,19),(15,15),(19,20),(12,14),(4,9),(9,12),(11,13),(17,18),(5,7),(16,17),(2,2),(1,1)
  464. ### 20min 9 (1,1),(6,5),(13,10),(8,4),(14,11),(10,8),(7,6),(20,16),(3,3),(2,2),(18,19),(15,15),(19,20),(12,14),(4,9),(9,12),(11,13),(17,18),(5,7),(16,17),(1,1)
  465. ### 20min 9 (1,1),(6,5),(13,10),(8,4),(14,11),(10,8),(7,6),(20,16),(3,3),(18,19),(15,15),(19,20),(12,14),(4,9),(9,12),(11,13),(17,18),(5,7),(16,17),(2,2),(1,1)
  466. ### 20min 9 (1,1),(6,5),(20,14),(9,7),(7,6),(11,9),(12,10),(3,3),(16,15),(4,4),(18,19),(13,13),(19,20),(8,12),(15,17),(5,8),(14,16),(17,18),(2,2),(10,11),(1,1)
  467. ### 20min 9 (1,1),(6,5),(19,11),(8,6),(9,7),(13,10),(20,15),(3,3),(18,17),(4,4),(12,13),(17,20),(10,14),(16,19),(5,9),(15,18),(14,16),(11,12),(2,2),(7,8),(1,1)
  468. ### 20min 9 (1,1),(6,5),(19,11),(8,6),(9,7),(20,15),(13,10),(3,3),(18,17),(4,4),(12,13),(17,20),(10,14),(16,19),(5,9),(15,18),(14,16),(11,12),(2,2),(7,8),(1,1)
  469. ### 20min 9 (1,1),(6,5),(15,12),(2,2),(19,18),(18,17),(12,6),(17,15),(20,19),(4,4),(13,14),(3,3),(10,11),(14,16),(9,10),(11,13),(16,20),(8,9),(5,7),(7,8),(1,1)
  470. ### 20min 9 (1,1),(6,5),(15,12),(2,2),(18,17),(12,6),(17,15),(20,19),(19,18),(4,4),(13,14),(3,3),(10,11),(14,16),(9,10),(11,13),(16,20),(8,9),(5,7),(7,8),(1,1)
  471. ### 20min 9 (1,1),(7,6),(2,2),(10,9),(3,3),(18,17),(13,8),(17,15),(20,19),(9,11),(14,14),(12,13),(16,16),(19,18),(5,5),(11,12),(4,4),(15,20),(8,10),(6,7),(1,1)
  472. ### 20min 9 (1,1),(7,6),(10,8),(20,15),(4,4),(12,11),(5,5),(18,19),(16,16),(13,12),(14,14),(11,9),(19,20),(15,17),(8,13),(17,18),(3,3),(9,10),(2,2),(6,7),(1,1)
  473. ### 20min 9 (1,1),(7,8),(2,2),(14,13),(3,3),(17,16),(16,14),(11,6),(20,20),(18,17),(5,5),(4,4),(8,9),(12,12),(9,10),(19,19),(10,11),(13,15),(6,7),(15,18),(1,1)
  474. ### 20min 9 (1,1),(8,7),(2,2),(12,11),(16,14),(18,15),(9,5),(19,16),(14,10),(20,17),(13,12),(4,4),(17,18),(3,3),(10,13),(15,20),(7,9),(6,8),(11,19),(5,6),(1,1)
  475. ### 20min 9 (1,1),(8,7),(2,2),(12,11),(16,14),(18,15),(9,5),(19,16),(14,10),(20,17),(13,12),(4,4),(17,18),(3,3),(15,20),(10,13),(7,9),(6,8),(11,19),(5,6),(1,1)
  476. ### 20min 9 (1,1),(8,7),(2,2),(12,11),(3,3),(17,16),(13,9),(16,14),(19,18),(20,20),(18,17),(6,6),(14,15),(5,5),(9,10),(4,4),(11,13),(10,12),(15,19),(7,8),(1,1)
  477. ### 20min 9 (1,1),(8,7),(19,15),(12,10),(13,11),(4,4),(10,9),(5,5),(15,14),(6,6),(17,18),(20,20),(18,19),(14,16),(9,13),(16,17),(3,3),(11,12),(2,2),(7,8),(1,1)
  478. ### 20min 9 (1,1),(8,7),(7,5),(9,8),(20,16),(13,11),(10,9),(16,14),(11,10),(3,3),(14,13),(4,4),(18,19),(19,20),(15,17),(6,12),(17,18),(2,2),(5,6),(12,15),(1,1)
  479. ### 20min 9 (1,1),(8,7),(7,5),(9,8),(20,16),(13,11),(10,9),(16,14),(11,10),(3,3),(14,13),(4,4),(18,19),(19,20),(15,17),(6,12),(17,18),(2,2),(12,15),(5,6),(1,1)
  480. ### 20min 9 (1,1),(8,7),(7,5),(9,8),(20,16),(13,11),(10,9),(16,14),(11,10),(3,3),(14,13),(4,4),(19,20),(15,17),(6,12),(17,18),(18,19),(2,2),(5,6),(12,15),(1,1)
  481. ### 20min 9 (1,1),(8,7),(7,5),(9,8),(20,16),(13,11),(10,9),(16,14),(11,10),(3,3),(14,13),(4,4),(19,20),(15,17),(6,12),(17,18),(18,19),(2,2),(12,15),(5,6),(1,1)
  482. ### 20min 9 (1,1),(8,9),(6,6),(3,2),(19,17),(14,11),(15,12),(11,7),(20,18),(5,4),(16,16),(4,3),(9,10),(18,20),(10,13),(17,19),(7,8),(13,15),(2,5),(12,14),(1,1)
  483. ### 20min 9 (1,1),(8,9),(3,2),(19,17),(14,11),(15,12),(11,7),(20,18),(5,4),(16,16),(4,3),(6,6),(9,10),(18,20),(10,13),(17,19),(7,8),(13,15),(2,5),(12,14),(1,1)
  484. ### 20min 9 (1,1),(9,8),(16,14),(6,3),(18,16),(10,7),(19,17),(14,13),(11,11),(13,12),(17,15),(2,2),(4,5),(20,20),(5,6),(15,19),(8,10),(7,9),(3,4),(12,18),(1,1)
  485. ### 20min 9 (1,1),(10,8),(13,10),(8,4),(14,11),(7,6),(20,16),(3,3),(18,19),(15,15),(19,20),(12,14),(4,9),(9,12),(11,13),(17,18),(5,7),(16,17),(2,2),(6,5),(1,1)
  486. ### 20min 9 (1,1),(11,10),(2,2),(18,17),(16,14),(8,5),(17,15),(12,8),(20,19),(13,13),(19,18),(4,4),(15,16),(3,3),(10,12),(9,11),(6,7),(7,9),(14,20),(5,6),(1,1)
  487. ### 20min 9 (1,1),(12,11),(2,2),(15,14),(6,4),(16,15),(10,8),(18,17),(14,12),(9,6),(20,19),(19,18),(13,13),(8,9),(17,16),(3,3),(7,10),(5,7),(11,20),(4,5),(1,1)
  488. ### 20min 9 (1,1),(12,11),(2,2),(15,14),(6,4),(16,15),(10,8),(18,17),(14,12),(9,6),(20,19),(19,18),(8,9),(13,13),(17,16),(3,3),(7,10),(5,7),(11,20),(4,5),(1,1)
  489. ### 20min 9 (1,1),(12,11),(13,12),(8,6),(14,13),(2,2),(17,16),(10,8),(18,17),(9,4),(16,14),(20,19),(15,15),(19,18),(3,3),(7,10),(5,7),(6,9),(11,20),(4,5),(1,1)
  490. ### 20min 9 (1,1),(14,12),(5,2),(15,13),(8,7),(19,17),(13,10),(20,18),(10,9),(6,6),(3,4),(16,16),(4,5),(18,20),(7,11),(12,15),(11,14),(17,19),(2,3),(9,8),(1,1)
  491. ### 20min 9 (1,1),(14,12),(5,2),(15,13),(8,7),(19,17),(13,10),(20,18),(10,9),(3,4),(16,16),(4,5),(18,20),(7,11),(12,15),(11,14),(17,19),(2,3),(6,6),(9,8),(1,1)
  492. ### 20min 9 (1,1),(14,13),(2,2),(16,15),(17,16),(10,8),(18,17),(13,11),(7,4),(20,19),(9,9),(19,18),(3,3),(5,6),(12,12),(6,7),(11,14),(8,10),(4,5),(15,20),(1,1)
  493. ### 20min 9 (1,1),(14,13),(2,2),(16,15),(17,16),(10,8),(18,17),(13,11),(7,4),(20,19),(12,12),(19,18),(3,3),(5,6),(9,9),(6,7),(11,14),(8,10),(4,5),(15,20),(1,1)
  494. ### 20min 9 (1,1),(14,13),(2,2),(17,16),(3,3),(4,5),(11,11),(10,10),(19,18),(8,8),(18,17),(9,4),(16,14),(20,19),(12,12),(6,7),(13,15),(5,6),(7,9),(15,20),(1,1)
  495. ### 20min 9 (1,1),(14,13),(2,2),(17,16),(3,3),(4,5),(10,10),(19,18),(8,8),(18,17),(9,4),(16,14),(20,19),(12,12),(11,11),(6,7),(13,15),(5,6),(7,9),(15,20),(1,1)
  496. ### 20min 9 (1,1),(15,10),(7,5),(5,4),(18,18),(8,7),(19,19),(13,14),(20,20),(3,6),(14,15),(6,8),(10,11),(2,2),(11,12),(9,9),(12,13),(17,17),(16,16),(4,3),(1,1)
  497. ### 20min 9 (1,1),(15,12),(6,5),(2,2),(19,18),(18,17),(12,6),(17,15),(20,19),(4,4),(13,14),(3,3),(10,11),(14,16),(9,10),(11,13),(16,20),(8,9),(5,7),(7,8),(1,1)
  498. ### 20min 9 (1,1),(15,12),(6,5),(2,2),(18,17),(12,6),(17,15),(20,19),(19,18),(4,4),(13,14),(3,3),(10,11),(14,16),(9,10),(11,13),(16,20),(8,9),(5,7),(7,8),(1,1)
  499. ### 20min 9 (1,1),(16,14),(6,3),(18,16),(10,7),(19,17),(14,13),(11,11),(13,12),(17,15),(9,8),(2,2),(4,5),(20,20),(5,6),(15,19),(8,10),(7,9),(3,4),(12,18),(1,1)
  500. ### 20min 9 (1,1),(16,15),(15,14),(9,3),(13,10),(11,5),(14,12),(17,16),(20,18),(18,17),(2,2),(5,7),(12,13),(6,8),(19,20),(7,9),(8,11),(4,6),(10,19),(3,4),(1,1)
  501. ### 20min 9 (1,1),(16,15),(6,2),(13,11),(14,12),(18,17),(9,3),(20,20),(12,13),(5,7),(15,18),(3,5),(11,14),(2,4),(7,8),(10,10),(8,9),(4,6),(19,19),(17,16),(1,1)
  502. ### 20min 9 (1,1),(16,15),(6,2),(13,11),(14,12),(18,17),(9,3),(20,20),(5,7),(15,18),(3,5),(11,14),(2,4),(7,8),(10,10),(8,9),(4,6),(12,13),(19,19),(17,16),(1,1)
  503. ### 20min 9 (1,1),(16,17),(19,19),(13,12),(6,4),(9,8),(10,10),(8,7),(4,2),(14,11),(5,3),(18,15),(7,5),(20,20),(3,9),(17,18),(12,14),(11,13),(2,6),(15,16),(1,1)
  504. ### 20min 9 (1,1),(16,17),(19,19),(6,4),(9,8),(10,10),(8,7),(4,2),(14,11),(5,3),(18,15),(7,5),(13,12),(20,20),(3,9),(17,18),(12,14),(11,13),(2,6),(15,16),(1,1)
  505. ### 20min 9 (1,1),(17,16),(7,5),(18,17),(13,11),(12,9),(9,4),(14,12),(20,19),(15,15),(19,18),(2,2),(3,3),(16,20),(6,7),(8,10),(11,14),(4,8),(10,13),(5,6),(1,1)
  506. ### 20min 9 (1,1),(17,16),(7,5),(18,17),(13,11),(12,9),(9,4),(14,12),(20,19),(15,15),(19,18),(2,2),(3,3),(16,20),(6,7),(11,14),(4,8),(10,13),(8,10),(5,6),(1,1)
  507. ### 20min 9 (1,1),(18,12),(4,3),(9,7),(10,8),(19,15),(6,5),(20,20),(5,4),(2,2),(8,9),(15,17),(12,13),(11,11),(13,14),(17,19),(7,10),(16,18),(3,6),(14,16),(1,1)
  508. ### 20min 9 (1,1),(18,12),(4,3),(9,7),(10,8),(19,15),(6,5),(20,20),(5,4),(2,2),(15,17),(12,13),(11,11),(13,14),(17,19),(7,10),(16,18),(3,6),(14,16),(8,9),(1,1)
  509. ### 20min 9 (1,1),(18,15),(7,6),(15,13),(11,10),(19,19),(10,9),(12,12),(9,8),(4,4),(5,5),(17,18),(20,20),(6,11),(14,16),(16,17),(3,3),(13,14),(2,2),(8,7),(1,1)
  510. ### 20min 9 (1,1),(20,15),(5,4),(10,8),(14,11),(7,6),(9,9),(6,5),(3,3),(18,19),(12,12),(19,20),(4,7),(11,13),(17,18),(8,10),(16,17),(15,16),(2,2),(13,14),(1,1)
  511. ### 20min 9 (1,1),(20,15),(5,4),(10,8),(14,11),(7,6),(12,12),(6,5),(3,3),(18,19),(9,9),(19,20),(4,7),(11,13),(17,18),(8,10),(16,17),(15,16),(2,2),(13,14),(1,1)
  512. ### 20min 9 (1,1),(20,15),(9,7),(6,5),(15,13),(7,6),(11,11),(12,12),(19,20),(14,16),(4,9),(17,18),(8,8),(18,19),(10,10),(5,4),(3,3),(16,17),(2,2),(13,14),(1,1)
  513. ### 20min 9 (1,1),(20,15),(9,7),(6,5),(15,13),(7,6),(12,12),(19,20),(14,16),(4,9),(17,18),(8,8),(18,19),(10,10),(11,11),(5,4),(3,3),(16,17),(2,2),(13,14),(1,1)
  514. ### 20min 9 (1,2),(2,3),(16,16),(15,14),(8,1),(13,10),(11,5),(14,12),(17,17),(20,19),(18,18),(3,4),(5,7),(10,11),(6,8),(19,20),(7,9),(12,15),(4,6),(9,13),(1,2)
  515. ### 20min 9 (1,2),(2,3),(17,17),(8,7),(18,18),(11,10),(7,5),(12,11),(10,8),(5,1),(13,12),(16,14),(14,13),(20,20),(15,16),(6,9),(19,19),(3,4),(9,15),(4,6),(1,2)
  516. ### 20min 9 (1,2),(2,3),(17,17),(8,7),(18,18),(11,10),(7,5),(12,11),(10,8),(5,1),(13,12),(16,14),(14,13),(20,20),(6,9),(15,16),(19,19),(3,4),(9,15),(4,6),(1,2)
  517. ### 20min 9 (1,2),(2,3),(6,6),(9,8),(16,13),(18,14),(15,10),(8,1),(19,15),(14,12),(20,19),(13,11),(3,4),(17,17),(4,5),(10,16),(11,18),(7,9),(12,20),(5,7),(1,2)
  518. ### 20min 9 (1,2),(2,3),(6,6),(9,8),(16,13),(18,14),(15,10),(8,1),(19,15),(14,12),(20,19),(13,11),(3,4),(17,17),(4,5),(10,16),(7,9),(11,18),(12,20),(5,7),(1,2)
  519. ### 20min 9 (1,2),(2,3),(8,8),(13,12),(4,5),(18,18),(14,11),(16,14),(10,1),(17,16),(20,20),(9,10),(19,19),(6,7),(15,17),(5,6),(11,13),(3,4),(7,9),(12,15),(1,2)
  520. ### 20min 9 (1,2),(2,3),(13,12),(8,8),(4,5),(18,18),(14,11),(16,14),(10,1),(17,16),(20,20),(9,10),(19,19),(6,7),(15,17),(5,6),(11,13),(3,4),(7,9),(12,15),(1,2)
  521. ### 20min 9 (1,2),(3,3),(19,18),(18,17),(16,14),(11,10),(15,13),(2,1),(14,12),(9,6),(17,15),(12,8),(20,19),(5,5),(6,7),(13,20),(8,11),(10,16),(7,9),(4,4),(1,2)
  522. ### 20min 9 (1,2),(3,3),(18,17),(16,14),(11,10),(15,13),(2,1),(14,12),(9,6),(17,15),(12,8),(20,19),(19,18),(5,5),(6,7),(13,20),(8,11),(10,16),(7,9),(4,4),(1,2)
  523. ### 20min 9 (1,2),(6,6),(2,3),(18,18),(14,11),(16,14),(15,12),(10,1),(17,16),(20,20),(9,10),(8,9),(13,15),(7,8),(19,19),(4,5),(11,13),(3,4),(12,17),(5,7),(1,2)
  524. ### 20min 9 (1,2),(6,6),(2,3),(19,19),(18,18),(5,1),(15,14),(13,11),(10,7),(17,13),(11,8),(16,15),(20,20),(4,5),(14,16),(3,4),(8,10),(9,12),(12,17),(7,9),(1,2)
  525. ### 20min 9 (1,2),(6,6),(2,3),(19,19),(18,18),(5,1),(15,14),(10,7),(17,13),(11,8),(13,11),(16,15),(20,20),(4,5),(14,16),(3,4),(8,10),(9,12),(12,17),(7,9),(1,2)
  526. ### 20min 9 (1,2),(6,6),(2,3),(18,18),(5,1),(15,14),(13,11),(10,7),(17,13),(11,8),(16,15),(20,20),(19,19),(4,5),(14,16),(3,4),(8,10),(9,12),(12,17),(7,9),(1,2)
  527. ### 20min 9 (1,2),(6,6),(2,3),(18,18),(5,1),(15,14),(10,7),(17,13),(11,8),(13,11),(16,15),(20,20),(19,19),(4,5),(14,16),(3,4),(8,10),(9,12),(12,17),(7,9),(1,2)
  528. ### 20min 9 (1,2),(6,6),(2,3),(18,18),(5,1),(15,14),(10,7),(17,13),(11,8),(13,11),(20,20),(16,15),(19,19),(4,5),(14,16),(3,4),(8,10),(9,12),(12,17),(7,9),(1,2)
  529. ### 20min 9 (1,2),(6,6),(9,8),(16,13),(18,14),(8,1),(15,10),(19,15),(14,12),(20,19),(13,11),(3,4),(17,17),(4,5),(10,16),(11,18),(7,9),(12,20),(5,7),(2,3),(1,2)
  530. ### 20min 9 (1,2),(6,6),(9,8),(16,13),(18,14),(8,1),(15,10),(19,15),(14,12),(20,19),(13,11),(3,4),(17,17),(4,5),(10,16),(7,9),(11,18),(12,20),(5,7),(2,3),(1,2)
  531. ### 20min 9 (1,2),(8,8),(2,3),(17,17),(6,5),(18,18),(11,9),(12,10),(15,14),(14,12),(7,1),(16,15),(20,20),(10,11),(19,19),(3,4),(5,7),(13,16),(4,6),(9,13),(1,2)
  532. ### 20min 9 (1,2),(8,8),(12,11),(11,10),(7,5),(13,12),(16,14),(14,13),(19,17),(18,15),(9,1),(20,18),(3,4),(17,19),(2,3),(15,20),(5,7),(10,16),(6,9),(4,6),(1,2)
  533. ### 20min 9 (1,2),(8,10),(18,17),(4,4),(17,16),(11,5),(10,3),(14,12),(9,1),(16,14),(19,18),(20,19),(15,15),(12,13),(5,8),(3,7),(13,20),(6,11),(2,6),(7,9),(1,2)
  534. ### 20min 9 (1,2),(8,10),(18,17),(4,4),(17,16),(11,5),(10,3),(14,12),(9,1),(16,14),(20,19),(19,18),(15,15),(12,13),(5,8),(3,7),(6,11),(13,20),(2,6),(7,9),(1,2)
  535. ### 20min 9 (1,2),(8,10),(18,17),(4,4),(17,16),(11,5),(14,12),(10,3),(9,1),(16,14),(19,18),(20,19),(15,15),(12,13),(5,8),(3,7),(13,20),(6,11),(2,6),(7,9),(1,2)
  536. ### 20min 9 (1,2),(8,10),(18,17),(4,4),(17,16),(11,5),(14,12),(10,3),(9,1),(16,14),(20,19),(19,18),(15,15),(12,13),(5,8),(3,7),(6,11),(13,20),(2,6),(7,9),(1,2)
  537. ### 20min 9 (1,2),(9,9),(2,3),(18,18),(16,15),(12,12),(15,14),(10,7),(13,11),(17,16),(6,1),(20,20),(7,8),(19,19),(5,6),(4,5),(11,13),(3,4),(8,10),(14,17),(1,2)
  538. ### 20min 9 (1,2),(9,9),(10,10),(15,14),(8,6),(16,15),(14,12),(6,1),(20,20),(7,8),(19,19),(4,5),(18,18),(17,16),(11,11),(2,3),(13,13),(3,4),(12,17),(5,7),(1,2)
  539. ### 20min 9 (1,2),(9,9),(15,14),(8,6),(16,15),(14,12),(6,1),(20,20),(7,8),(19,19),(4,5),(18,18),(17,16),(10,10),(11,11),(2,3),(13,13),(3,4),(12,17),(5,7),(1,2)
  540. ### 20min 9 (1,2),(9,11),(2,3),(7,7),(4,5),(12,12),(11,10),(6,1),(10,8),(13,13),(17,16),(19,17),(20,18),(15,15),(8,9),(14,14),(5,6),(18,20),(3,4),(16,19),(1,2)
  541. ### 20min 9 (1,2),(9,11),(2,3),(7,7),(4,5),(12,12),(6,1),(11,10),(10,8),(13,13),(17,16),(19,17),(20,18),(15,15),(8,9),(14,14),(5,6),(18,20),(3,4),(16,19),(1,2)
  542. ### 20min 9 (1,2),(9,11),(2,3),(7,7),(4,5),(12,12),(6,1),(10,8),(11,10),(13,13),(17,16),(19,17),(20,18),(15,15),(8,9),(14,14),(5,6),(18,20),(3,4),(16,19),(1,2)
  543. ### 20min 9 (1,2),(10,10),(5,1),(9,8),(8,6),(11,11),(20,18),(17,16),(19,19),(16,15),(14,14),(13,13),(6,7),(12,12),(4,5),(18,20),(3,4),(15,17),(2,3),(7,9),(1,2)
  544. ### 20min 9 (1,2),(12,9),(7,6),(18,16),(13,10),(19,17),(15,12),(6,1),(20,18),(8,7),(4,4),(14,13),(5,5),(2,3),(9,11),(17,20),(10,14),(11,15),(3,8),(16,19),(1,2)
  545. ### 20min 9 (1,2),(12,9),(7,6),(18,16),(13,10),(19,17),(15,12),(6,1),(20,18),(8,7),(4,4),(14,13),(5,5),(2,3),(9,11),(17,20),(11,15),(10,14),(3,8),(16,19),(1,2)
  546. ### 20min 9 (1,2),(12,9),(7,6),(18,16),(13,10),(19,17),(15,12),(6,1),(20,18),(8,7),(4,4),(14,13),(5,5),(2,3),(17,20),(10,14),(11,15),(3,8),(16,19),(9,11),(1,2)
  547. ### 20min 9 (1,2),(12,9),(7,6),(18,16),(13,10),(19,17),(15,12),(6,1),(20,18),(8,7),(4,4),(14,13),(5,5),(2,3),(17,20),(11,15),(10,14),(3,8),(16,19),(9,11),(1,2)
  548. ### 20min 9 (1,2),(12,10),(7,7),(9,8),(5,5),(2,3),(16,16),(10,9),(17,17),(6,1),(13,11),(15,14),(20,20),(14,15),(19,19),(11,12),(18,18),(3,4),(8,13),(4,6),(1,2)
  549. ### 20min 9 (1,2),(12,12),(2,3),(18,18),(16,15),(9,9),(15,14),(10,7),(13,11),(17,16),(6,1),(20,20),(7,8),(19,19),(5,6),(4,5),(11,13),(3,4),(8,10),(14,17),(1,2)
  550. ### 20min 9 (1,2),(12,12),(11,10),(6,1),(10,8),(13,13),(16,15),(18,16),(9,6),(20,18),(19,17),(14,14),(4,5),(17,19),(3,4),(7,9),(2,3),(15,20),(5,7),(8,11),(1,2)
  551. ### 20min 9 (1,2),(12,12),(11,10),(6,1),(10,8),(13,13),(18,16),(19,17),(9,6),(20,18),(16,15),(14,14),(4,5),(17,19),(3,4),(7,9),(2,3),(15,20),(5,7),(8,11),(1,2)
  552. ### 20min 9 (1,2),(12,12),(11,10),(6,1),(10,8),(13,13),(18,16),(9,6),(19,17),(20,18),(16,15),(14,14),(4,5),(17,19),(3,4),(7,9),(2,3),(15,20),(5,7),(8,11),(1,2)
  553. ### 20min 9 (1,2),(12,12),(11,10),(6,1),(10,8),(13,13),(18,16),(9,6),(20,18),(19,17),(16,15),(14,14),(4,5),(17,19),(3,4),(7,9),(2,3),(15,20),(5,7),(8,11),(1,2)
  554. ### 20min 9 (1,2),(12,12),(6,1),(11,10),(10,8),(13,13),(16,15),(18,16),(9,6),(20,18),(19,17),(14,14),(4,5),(17,19),(3,4),(7,9),(2,3),(15,20),(5,7),(8,11),(1,2)
  555. ### 20min 9 (1,2),(12,12),(6,1),(11,10),(10,8),(13,13),(18,16),(19,17),(9,6),(20,18),(16,15),(14,14),(4,5),(17,19),(3,4),(7,9),(2,3),(15,20),(5,7),(8,11),(1,2)
  556. ### 20min 9 (1,2),(12,12),(6,1),(11,10),(10,8),(13,13),(18,16),(9,6),(19,17),(20,18),(16,15),(14,14),(4,5),(17,19),(3,4),(7,9),(2,3),(15,20),(5,7),(8,11),(1,2)
  557. ### 20min 9 (1,2),(12,12),(6,1),(11,10),(10,8),(13,13),(18,16),(9,6),(20,18),(19,17),(16,15),(14,14),(4,5),(17,19),(3,4),(7,9),(2,3),(15,20),(5,7),(8,11),(1,2)
  558. ### 20min 9 (1,2),(12,12),(6,1),(10,8),(11,10),(13,13),(16,15),(18,16),(9,6),(20,18),(19,17),(14,14),(4,5),(17,19),(3,4),(7,9),(2,3),(15,20),(5,7),(8,11),(1,2)
  559. ### 20min 9 (1,2),(12,12),(6,1),(10,8),(11,10),(13,13),(18,16),(19,17),(9,6),(20,18),(16,15),(14,14),(4,5),(17,19),(3,4),(7,9),(2,3),(15,20),(5,7),(8,11),(1,2)
  560. ### 20min 9 (1,2),(12,12),(6,1),(10,8),(11,10),(13,13),(18,16),(9,6),(19,17),(20,18),(16,15),(14,14),(4,5),(17,19),(3,4),(7,9),(2,3),(15,20),(5,7),(8,11),(1,2)
  561. ### 20min 9 (1,2),(12,12),(6,1),(10,8),(11,10),(13,13),(18,16),(9,6),(20,18),(19,17),(16,15),(14,14),(4,5),(17,19),(3,4),(7,9),(2,3),(15,20),(5,7),(8,11),(1,2)
  562. ### 20min 9 (1,2),(13,15),(10,11),(14,16),(17,18),(18,19),(3,3),(2,1),(4,4),(9,7),(16,10),(11,8),(20,13),(7,6),(5,5),(19,20),(8,12),(15,17),(6,9),(12,14),(1,2)
  563. ### 20min 9 (1,2),(13,15),(10,11),(14,16),(17,18),(3,3),(2,1),(4,4),(9,7),(16,10),(11,8),(20,13),(7,6),(5,5),(18,19),(19,20),(8,12),(15,17),(6,9),(12,14),(1,2)
  564. ### 20min 9 (1,2),(13,15),(8,9),(14,16),(19,19),(4,3),(3,1),(5,4),(9,7),(16,10),(11,8),(18,12),(7,6),(6,5),(20,20),(17,18),(2,11),(15,17),(10,13),(12,14),(1,2)
  565. ### 20min 9 (1,2),(16,16),(15,14),(8,1),(13,10),(11,5),(14,12),(17,17),(20,19),(18,18),(2,3),(3,4),(5,7),(10,11),(6,8),(19,20),(7,9),(12,15),(4,6),(9,13),(1,2)
  566. ### 20min 9 (1,2),(17,17),(8,7),(18,18),(11,10),(7,5),(12,11),(10,8),(5,1),(13,12),(16,14),(14,13),(20,20),(15,16),(6,9),(19,19),(2,3),(3,4),(9,15),(4,6),(1,2)
  567. ### 20min 9 (1,2),(17,17),(8,7),(18,18),(11,10),(7,5),(12,11),(10,8),(5,1),(13,12),(16,14),(14,13),(20,20),(6,9),(15,16),(19,19),(2,3),(3,4),(9,15),(4,6),(1,2)
  568. ### 20min 9 (1,3),(2,4),(5,6),(7,7),(17,16),(4,2),(18,17),(14,12),(19,18),(6,1),(16,14),(13,10),(20,19),(9,9),(10,11),(15,20),(11,13),(8,8),(3,5),(12,15),(1,3)
  569. ### 20min 9 (1,3),(2,4),(5,6),(7,7),(17,16),(4,2),(18,17),(14,12),(19,18),(6,1),(16,14),(13,10),(20,19),(9,9),(15,20),(10,11),(11,13),(8,8),(3,5),(12,15),(1,3)
  570. ### 20min 9 (1,3),(2,4),(5,6),(7,7),(17,16),(4,2),(18,17),(14,12),(19,18),(6,1),(16,14),(13,10),(20,19),(9,9),(15,20),(11,13),(10,11),(8,8),(3,5),(12,15),(1,3)
  571. ### 20min 9 (1,3),(2,4),(7,7),(17,16),(4,2),(18,17),(14,12),(19,18),(6,1),(16,14),(13,10),(20,19),(9,9),(10,11),(15,20),(11,13),(8,8),(5,6),(3,5),(12,15),(1,3)
  572. ### 20min 9 (1,3),(2,4),(7,7),(17,16),(4,2),(18,17),(14,12),(19,18),(6,1),(16,14),(13,10),(20,19),(9,9),(15,20),(10,11),(11,13),(8,8),(5,6),(3,5),(12,15),(1,3)
  573. ### 20min 9 (1,3),(2,4),(7,7),(17,16),(4,2),(18,17),(14,12),(19,18),(6,1),(16,14),(13,10),(20,19),(9,9),(15,20),(11,13),(10,11),(8,8),(5,6),(3,5),(12,15),(1,3)
  574. ### 20min 9 (1,3),(3,4),(19,19),(16,14),(9,8),(15,13),(2,1),(14,12),(13,10),(17,15),(11,2),(18,17),(20,20),(5,6),(6,7),(12,18),(8,11),(10,16),(7,9),(4,5),(1,3)
  575. ### 20min 9 (1,3),(4,5),(2,2),(5,6),(7,7),(8,8),(15,14),(9,9),(17,16),(3,1),(18,17),(6,4),(19,18),(14,12),(20,19),(11,11),(16,20),(12,13),(13,15),(10,10),(1,3)
  576. ### 20min 9 (1,3),(5,6),(7,7),(17,16),(4,2),(18,17),(14,12),(19,18),(6,1),(16,14),(13,10),(20,19),(9,9),(10,11),(15,20),(11,13),(8,8),(3,5),(2,4),(12,15),(1,3)
  577. ### 20min 9 (1,3),(5,6),(7,7),(17,16),(4,2),(18,17),(14,12),(19,18),(6,1),(16,14),(13,10),(20,19),(9,9),(10,11),(15,20),(11,13),(8,8),(3,5),(12,15),(2,4),(1,3)
  578. ### 20min 9 (1,3),(5,6),(7,7),(17,16),(4,2),(18,17),(14,12),(19,18),(6,1),(16,14),(13,10),(20,19),(9,9),(15,20),(10,11),(11,13),(8,8),(3,5),(2,4),(12,15),(1,3)
  579. ### 20min 9 (1,3),(5,6),(7,7),(17,16),(4,2),(18,17),(14,12),(19,18),(6,1),(16,14),(13,10),(20,19),(9,9),(15,20),(10,11),(11,13),(8,8),(3,5),(12,15),(2,4),(1,3)
  580. ### 20min 9 (1,3),(5,6),(7,7),(17,16),(4,2),(18,17),(14,12),(19,18),(6,1),(16,14),(13,10),(20,19),(9,9),(15,20),(11,13),(10,11),(8,8),(3,5),(2,4),(12,15),(1,3)
  581. ### 20min 9 (1,3),(5,6),(7,7),(17,16),(4,2),(18,17),(14,12),(19,18),(6,1),(16,14),(13,10),(20,19),(9,9),(15,20),(11,13),(10,11),(8,8),(3,5),(12,15),(2,4),(1,3)
  582. ### 20min 9 (1,3),(6,6),(13,12),(7,7),(16,15),(3,1),(18,17),(5,2),(20,19),(12,10),(19,18),(14,14),(17,16),(9,9),(10,11),(15,20),(11,13),(8,8),(4,5),(2,4),(1,3)
  583. ### 20min 9 (1,3),(6,6),(13,12),(7,7),(16,15),(3,1),(18,17),(5,2),(20,19),(12,10),(19,18),(14,14),(17,16),(9,9),(15,20),(10,11),(11,13),(8,8),(4,5),(2,4),(1,3)
  584. ### 20min 9 (1,3),(6,6),(13,12),(7,7),(16,15),(3,1),(18,17),(5,2),(20,19),(12,10),(19,18),(14,14),(17,16),(9,9),(15,20),(11,13),(10,11),(8,8),(4,5),(2,4),(1,3)
  585. ### 20min 9 (1,3),(11,12),(15,15),(18,17),(5,5),(17,16),(3,1),(14,10),(9,6),(10,7),(4,2),(19,18),(12,13),(20,20),(7,9),(16,19),(6,8),(13,14),(2,4),(8,11),(1,3)
  586. ### 20min 9 (1,3),(11,12),(18,17),(5,5),(17,16),(3,1),(14,10),(9,6),(10,7),(4,2),(19,18),(15,15),(12,13),(20,20),(7,9),(16,19),(6,8),(13,14),(2,4),(8,11),(1,3)
  587. ### 20min 9 (1,3),(13,14),(17,17),(7,8),(16,16),(19,18),(12,10),(4,1),(11,7),(10,6),(18,13),(5,2),(20,19),(9,12),(14,15),(3,5),(8,11),(2,4),(6,9),(15,20),(1,3)
  588. ### 20min 9 (1,3),(13,14),(17,17),(7,8),(16,16),(19,18),(12,10),(4,1),(10,6),(11,7),(18,13),(5,2),(20,19),(9,12),(14,15),(3,5),(8,11),(2,4),(6,9),(15,20),(1,3)
  589. ### 20min 9 (1,3),(13,14),(17,17),(7,8),(16,16),(19,18),(4,1),(11,7),(10,6),(18,13),(5,2),(12,10),(20,19),(9,12),(14,15),(3,5),(8,11),(2,4),(6,9),(15,20),(1,3)
  590. ### 20min 9 (1,3),(13,14),(17,17),(7,8),(16,16),(19,18),(4,1),(10,6),(11,7),(18,13),(5,2),(12,10),(20,19),(9,12),(14,15),(3,5),(8,11),(2,4),(6,9),(15,20),(1,3)
  591. ### 20min 9 (1,3),(15,16),(7,7),(12,13),(6,6),(3,1),(4,2),(5,4),(8,8),(11,10),(13,11),(20,15),(9,9),(16,17),(14,14),(18,19),(10,12),(19,20),(2,5),(17,18),(1,3)
  592. ### 20min 9 (1,3),(15,16),(7,7),(12,13),(6,6),(3,1),(4,2),(5,4),(8,8),(13,11),(11,10),(20,15),(9,9),(16,17),(14,14),(18,19),(10,12),(19,20),(2,5),(17,18),(1,3)
  593. ### 20min 9 (1,3),(15,16),(7,7),(12,13),(6,6),(3,1),(4,2),(5,4),(8,8),(13,11),(20,15),(11,10),(9,9),(16,17),(14,14),(18,19),(10,12),(19,20),(2,5),(17,18),(1,3)
  594. ### 20min 9 (1,3),(16,17),(5,5),(17,18),(15,15),(12,11),(3,1),(11,8),(4,2),(14,13),(8,6),(19,16),(9,7),(20,20),(13,12),(18,19),(2,4),(7,10),(6,9),(10,14),(1,3)
  595. ### 20min 9 (1,3),(16,17),(5,5),(17,18),(12,11),(3,1),(11,8),(4,2),(14,13),(8,6),(19,16),(9,7),(20,20),(13,12),(15,15),(18,19),(2,4),(7,10),(6,9),(10,14),(1,3)
  596. ### 20min 9 (1,3),(16,17),(9,9),(14,15),(8,8),(7,7),(6,5),(2,2),(5,4),(3,1),(10,10),(15,13),(13,12),(20,16),(11,11),(19,20),(12,14),(18,19),(4,6),(17,18),(1,3)
  597. ### 20min 9 (1,3),(18,17),(4,2),(19,18),(6,1),(16,14),(11,5),(15,12),(17,15),(20,19),(13,13),(9,10),(10,11),(14,16),(8,9),(5,7),(7,8),(2,4),(3,6),(12,20),(1,3)
  598. ### 20min 9 (1,4),(6,10),(19,19),(10,6),(4,1),(9,5),(7,2),(18,12),(8,3),(15,13),(14,11),(17,16),(20,20),(16,17),(11,14),(13,15),(3,8),(12,18),(2,7),(5,9),(1,4)
  599. ### 20min 9 (1,4),(8,9),(17,17),(4,3),(18,18),(11,8),(6,1),(14,12),(15,13),(10,2),(16,15),(20,20),(13,14),(19,19),(9,10),(5,7),(3,6),(12,16),(2,5),(7,11),(1,4)
  600. ### 20min 9 (1,4),(8,9),(17,17),(4,3),(18,18),(6,1),(11,8),(14,12),(15,13),(10,2),(16,15),(20,20),(13,14),(19,19),(9,10),(5,7),(3,6),(12,16),(2,5),(7,11),(1,4)
  601. ### 20min 9 (1,4),(10,12),(18,19),(16,16),(8,7),(17,17),(14,13),(3,1),(20,15),(9,6),(4,2),(11,8),(5,3),(15,14),(12,9),(19,20),(2,5),(13,18),(7,11),(6,10),(1,4)
  602. ### 20min 9 (1,4),(10,12),(18,19),(16,16),(8,7),(17,17),(14,13),(3,1),(20,15),(9,6),(4,2),(11,8),(5,3),(15,14),(12,9),(19,20),(2,5),(13,18),(6,10),(7,11),(1,4)
  603. ### 20min 9 (1,4),(18,19),(16,16),(8,7),(17,17),(14,13),(3,1),(20,15),(9,6),(4,2),(11,8),(5,3),(15,14),(12,9),(19,20),(10,12),(2,5),(13,18),(7,11),(6,10),(1,4)
  604. ### 20min 9 (1,4),(18,19),(16,16),(8,7),(17,17),(14,13),(3,1),(20,15),(9,6),(4,2),(11,8),(5,3),(15,14),(12,9),(19,20),(10,12),(2,5),(13,18),(6,10),(7,11),(1,4)
  605. ### 20min 9 (1,5),(8,10),(11,12),(5,7),(10,11),(18,18),(7,8),(17,17),(3,2),(2,1),(6,4),(15,9),(4,3),(19,19),(16,15),(9,6),(20,20),(13,14),(14,16),(12,13),(1,5)
  606. ### 20min 9 (1,5),(8,10),(11,12),(5,7),(10,11),(18,18),(7,8),(17,17),(3,2),(2,1),(6,4),(15,9),(4,3),(19,19),(9,6),(16,15),(20,20),(13,14),(14,16),(12,13),(1,5)
  607. ### 20min 9 (1,5),(8,10),(11,12),(5,7),(10,11),(18,18),(7,8),(17,17),(2,1),(6,4),(15,9),(4,3),(3,2),(19,19),(16,15),(9,6),(20,20),(13,14),(14,16),(12,13),(1,5)
  608. ### 20min 9 (1,5),(8,10),(11,12),(5,7),(10,11),(18,18),(7,8),(17,17),(2,1),(6,4),(15,9),(4,3),(3,2),(19,19),(9,6),(16,15),(20,20),(13,14),(14,16),(12,13),(1,5)
  609. ### 20min 9 (1,5),(10,10),(2,1),(9,7),(3,2),(17,15),(4,3),(20,18),(5,4),(12,12),(7,6),(13,13),(14,14),(15,16),(19,19),(16,17),(18,20),(11,11),(6,8),(8,9),(1,5)
  610. ### 20min 9 (1,5),(18,18),(19,19),(3,2),(6,6),(2,1),(9,7),(17,12),(12,9),(10,8),(4,3),(16,14),(5,4),(20,20),(15,16),(11,13),(8,11),(13,17),(7,10),(14,15),(1,5)
  611. ### 20min 9 (1,5),(18,18),(3,2),(6,6),(2,1),(9,7),(17,12),(12,9),(10,8),(4,3),(16,14),(5,4),(19,19),(15,16),(20,20),(11,13),(8,11),(13,17),(7,10),(14,15),(1,5)
  612. ### 20min 9 (1,5),(18,18),(3,2),(6,6),(2,1),(9,7),(17,12),(12,9),(10,8),(4,3),(16,14),(5,4),(19,19),(20,20),(15,16),(11,13),(8,11),(13,17),(7,10),(14,15),(1,5)
  613. ### 20min 9 (1,5),(18,18),(19,19),(3,2),(6,6),(2,1),(9,7),(17,12),(12,9),(10,8),(4,3),(16,14),(5,4),(20,20),(15,16),(8,11),(13,17),(7,10),(11,13),(14,15),(1,5)
  614. ### 20min 9 (1,5),(18,18),(3,2),(6,6),(2,1),(9,7),(17,12),(12,9),(10,8),(4,3),(16,14),(5,4),(19,19),(20,20),(15,16),(8,11),(13,17),(7,10),(11,13),(14,15),(1,5)
  615. ### 20min 9 (1,6),(8,11),(18,18),(3,4),(17,17),(9,8),(4,1),(11,7),(5,2),(16,12),(6,3),(7,5),(10,9),(19,19),(14,13),(20,20),(15,16),(2,10),(13,15),(12,14),(1,6)
  616. ### 20min 9 (1,6),(10,11),(12,12),(5,4),(7,7),(3,2),(11,9),(2,1),(19,16),(4,3),(20,18),(6,5),(14,14),(9,8),(15,15),(18,20),(17,19),(16,17),(13,13),(8,10),(1,6)
  617. ### 20min 9 (1,6),(10,11),(12,12),(2,1),(11,8),(7,5),(20,15),(3,2),(9,7),(4,3),(19,17),(5,4),(14,14),(15,16),(17,19),(18,20),(6,9),(16,18),(13,13),(8,10),(1,6)
  618. ### 20min 9 (1,6),(10,11),(12,12),(2,1),(11,8),(7,5),(20,15),(3,2),(9,7),(4,3),(19,17),(5,4),(14,14),(15,16),(18,20),(17,19),(6,9),(16,18),(13,13),(8,10),(1,6)
  619. ### 20min 9 (1,6),(10,11),(12,12),(2,1),(11,8),(7,5),(20,15),(3,2),(9,7),(4,3),(19,17),(5,4),(14,14),(15,16),(18,20),(6,9),(17,19),(16,18),(13,13),(8,10),(1,6)
  620. ### 20min 9 (1,6),(10,11),(12,12),(2,1),(11,8),(7,5),(20,15),(3,2),(9,7),(4,3),(19,17),(5,4),(14,14),(17,19),(18,20),(6,9),(16,18),(15,16),(13,13),(8,10),(1,6)
  621. ### 20min 9 (1,6),(12,12),(5,4),(7,7),(3,2),(11,9),(2,1),(19,16),(4,3),(20,18),(6,5),(14,14),(9,8),(15,15),(18,20),(17,19),(16,17),(13,13),(10,11),(8,10),(1,6)
  622. ### 20min 9 (1,6),(12,12),(5,4),(7,7),(3,2),(11,9),(2,1),(19,16),(4,3),(20,18),(6,5),(14,14),(9,8),(15,15),(18,20),(17,19),(16,17),(13,13),(8,10),(10,11),(1,6)
  623. ### 20min 9 (1,6),(12,12),(2,1),(11,8),(7,5),(20,15),(3,2),(9,7),(4,3),(19,17),(5,4),(14,14),(15,16),(17,19),(18,20),(6,9),(16,18),(13,13),(10,11),(8,10),(1,6)
  624. ### 20min 9 (1,6),(12,12),(2,1),(11,8),(7,5),(20,15),(3,2),(9,7),(4,3),(19,17),(5,4),(14,14),(15,16),(17,19),(18,20),(6,9),(16,18),(13,13),(8,10),(10,11),(1,6)
  625. ### 20min 9 (1,6),(12,12),(2,1),(11,8),(7,5),(20,15),(3,2),(9,7),(4,3),(19,17),(5,4),(14,14),(15,16),(18,20),(17,19),(6,9),(16,18),(13,13),(10,11),(8,10),(1,6)
  626. ### 20min 9 (1,6),(12,12),(2,1),(11,8),(7,5),(20,15),(3,2),(9,7),(4,3),(19,17),(5,4),(14,14),(15,16),(18,20),(17,19),(6,9),(16,18),(13,13),(8,10),(10,11),(1,6)
  627. ### 20min 9 (1,6),(12,12),(2,1),(11,8),(7,5),(20,15),(3,2),(9,7),(4,3),(19,17),(5,4),(14,14),(15,16),(18,20),(6,9),(17,19),(16,18),(13,13),(10,11),(8,10),(1,6)
  628. ### 20min 9 (1,6),(12,12),(2,1),(11,8),(7,5),(20,15),(3,2),(9,7),(4,3),(19,17),(5,4),(14,14),(15,16),(18,20),(6,9),(17,19),(16,18),(13,13),(8,10),(10,11),(1,6)
  629. ### 20min 9 (1,6),(12,12),(2,1),(11,8),(7,5),(20,15),(3,2),(9,7),(4,3),(19,17),(5,4),(14,14),(17,19),(18,20),(6,9),(16,18),(15,16),(13,13),(10,11),(8,10),(1,6)
  630. ### 20min 9 (1,6),(12,12),(2,1),(11,8),(7,5),(20,15),(3,2),(9,7),(4,3),(19,17),(5,4),(14,14),(17,19),(18,20),(6,9),(16,18),(15,16),(13,13),(8,10),(10,11),(1,6)
  631. ### 20min 9 (1,6),(12,14),(15,16),(6,8),(14,15),(10,10),(9,9),(2,1),(7,5),(17,12),(4,3),(13,13),(3,2),(11,11),(16,17),(18,18),(5,4),(19,19),(8,7),(20,20),(1,6)
  632. ### 20min 9 (1,6),(12,14),(15,16),(6,8),(14,15),(9,9),(2,1),(7,5),(17,12),(4,3),(13,13),(3,2),(11,11),(10,10),(16,17),(18,18),(5,4),(19,19),(8,7),(20,20),(1,6)
  633. ### 20min 9 (1,6),(12,15),(17,19),(10,13),(16,18),(6,7),(9,12),(2,1),(11,9),(19,16),(8,3),(14,10),(15,11),(20,17),(3,2),(5,5),(13,14),(4,4),(7,8),(18,20),(1,6)
  634. ### 20min 9 (1,6),(12,15),(17,19),(10,13),(16,18),(6,7),(9,12),(2,1),(11,9),(19,16),(8,3),(15,11),(14,10),(20,17),(3,2),(5,5),(13,14),(4,4),(7,8),(18,20),(1,6)
  635. ### 20min 9 (1,6),(12,15),(17,19),(10,13),(16,18),(6,7),(9,12),(2,1),(19,16),(8,3),(14,10),(15,11),(20,17),(11,9),(3,2),(5,5),(13,14),(4,4),(7,8),(18,20),(1,6)
  636. ### 20min 9 (1,6),(12,15),(17,19),(10,13),(16,18),(6,7),(9,12),(2,1),(19,16),(8,3),(15,11),(14,10),(20,17),(11,9),(3,2),(5,5),(13,14),(4,4),(7,8),(18,20),(1,6)
  637. ### 20min 9 (1,6),(16,17),(11,13),(7,10),(14,15),(12,12),(15,16),(18,18),(3,2),(9,9),(2,1),(17,14),(10,8),(4,3),(13,11),(5,4),(6,5),(19,19),(8,7),(20,20),(1,6)
  638. ### 20min 9 (1,6),(16,17),(11,13),(7,10),(14,15),(9,9),(15,16),(18,18),(3,2),(12,12),(2,1),(17,14),(10,8),(4,3),(13,11),(5,4),(6,5),(19,19),(8,7),(20,20),(1,6)
  639. ### 20min 9 (1,6),(17,17),(9,10),(16,16),(3,2),(5,5),(8,9),(7,7),(10,12),(2,1),(6,4),(13,8),(4,3),(18,18),(12,11),(19,19),(15,14),(20,20),(14,15),(11,13),(1,6)
  640. ### 20min 9 (1,6),(18,18),(3,4),(17,17),(9,8),(4,1),(11,7),(5,2),(16,12),(6,3),(7,5),(10,9),(19,19),(14,13),(20,20),(15,16),(2,10),(13,15),(12,14),(8,11),(1,6)
  641. ### 20min 9 (1,6),(18,19),(2,4),(17,18),(3,1),(20,12),(6,3),(4,2),(8,7),(7,5),(9,8),(16,14),(11,10),(10,9),(13,13),(19,20),(15,17),(12,15),(5,11),(14,16),(1,6)
  642. ### 20min 9 (1,6),(18,19),(12,14),(17,18),(2,4),(16,17),(7,7),(6,5),(4,2),(3,1),(15,12),(5,3),(8,8),(11,10),(13,11),(20,15),(9,9),(19,20),(10,13),(14,16),(1,6)
  643. ### 20min 9 (1,6),(18,19),(12,14),(17,18),(2,4),(16,17),(7,7),(6,5),(4,2),(3,1),(15,12),(5,3),(8,8),(13,11),(11,10),(20,15),(9,9),(19,20),(10,13),(14,16),(1,6)
  644. ### 20min 9 (1,6),(18,19),(12,14),(17,18),(2,4),(16,17),(7,7),(6,5),(4,2),(3,1),(15,12),(5,3),(8,8),(13,11),(20,15),(11,10),(9,9),(19,20),(10,13),(14,16),(1,6)
  645. ### 20min 9 (1,6),(18,19),(12,14),(17,18),(2,4),(16,17),(7,7),(6,5),(3,1),(4,2),(15,12),(5,3),(8,8),(11,10),(13,11),(20,15),(9,9),(19,20),(10,13),(14,16),(1,6)
  646. ### 20min 9 (1,6),(18,19),(12,14),(17,18),(2,4),(16,17),(7,7),(6,5),(3,1),(4,2),(15,12),(5,3),(8,8),(13,11),(11,10),(20,15),(9,9),(19,20),(10,13),(14,16),(1,6)
  647. ### 20min 9 (1,6),(18,19),(12,14),(17,18),(2,4),(16,17),(7,7),(6,5),(3,1),(4,2),(15,12),(5,3),(8,8),(13,11),(20,15),(11,10),(9,9),(19,20),(10,13),(14,16),(1,6)
  648. ### 20min 9 (1,6),(18,19),(12,14),(17,18),(2,4),(16,17),(7,7),(6,5),(3,1),(15,12),(4,2),(5,3),(8,8),(11,10),(13,11),(20,15),(9,9),(19,20),(10,13),(14,16),(1,6)
  649. ### 20min 9 (1,6),(18,19),(12,14),(17,18),(2,4),(16,17),(7,7),(6,5),(3,1),(15,12),(4,2),(5,3),(8,8),(13,11),(11,10),(20,15),(9,9),(19,20),(10,13),(14,16),(1,6)
  650. ### 20min 9 (1,6),(18,19),(12,14),(17,18),(2,4),(16,17),(7,7),(6,5),(3,1),(15,12),(4,2),(5,3),(8,8),(13,11),(20,15),(11,10),(9,9),(19,20),(10,13),(14,16),(1,6)
  651. ### 20min 9 (1,6),(18,19),(12,14),(17,18),(2,4),(16,17),(7,7),(4,2),(3,1),(15,12),(5,3),(6,5),(8,8),(11,10),(13,11),(20,15),(9,9),(19,20),(10,13),(14,16),(1,6)
  652. ### 20min 9 (1,6),(18,19),(12,14),(17,18),(2,4),(16,17),(7,7),(4,2),(3,1),(15,12),(5,3),(6,5),(8,8),(13,11),(11,10),(20,15),(9,9),(19,20),(10,13),(14,16),(1,6)
  653. ### 20min 9 (1,6),(18,19),(12,14),(17,18),(2,4),(16,17),(7,7),(4,2),(3,1),(15,12),(5,3),(6,5),(8,8),(13,11),(20,15),(11,10),(9,9),(19,20),(10,13),(14,16),(1,6)
  654. ### 20min 9 (1,7),(12,14),(14,15),(10,12),(9,11),(18,18),(5,6),(17,17),(3,2),(8,8),(2,1),(13,9),(6,4),(16,13),(7,5),(4,3),(19,19),(11,10),(20,20),(15,16),(1,7)
  655. ### 20min 9 (1,8),(10,15),(14,18),(13,16),(8,9),(6,6),(3,2),(2,1),(7,5),(20,12),(18,11),(9,7),(16,10),(5,4),(17,17),(4,3),(11,13),(19,20),(12,14),(15,19),(1,8)
  656. ### 20min 9 (1,8),(10,15),(14,18),(13,16),(8,9),(6,6),(3,2),(2,1),(7,5),(20,12),(9,7),(18,11),(16,10),(5,4),(17,17),(4,3),(11,13),(19,20),(12,14),(15,19),(1,8)
  657. ### 20min 9 (1,8),(14,15),(16,16),(3,2),(2,1),(13,9),(6,4),(15,12),(9,7),(20,19),(8,6),(11,10),(7,5),(4,3),(18,18),(19,20),(17,17),(12,14),(5,11),(10,13),(1,8)
  658. ### 20min 9 (1,8),(14,15),(16,16),(2,1),(13,9),(6,4),(15,12),(9,7),(20,19),(8,6),(11,10),(7,5),(4,3),(3,2),(18,18),(19,20),(17,17),(12,14),(5,11),(10,13),(1,8)
  659. ### 20min 9 (1,8),(14,18),(13,16),(8,9),(6,6),(2,1),(3,2),(7,5),(20,12),(18,11),(9,7),(16,10),(5,4),(17,17),(4,3),(11,13),(19,20),(12,14),(15,19),(10,15),(1,8)
  660. ### 20min 9 (1,8),(14,18),(13,16),(8,9),(6,6),(2,1),(3,2),(7,5),(20,12),(9,7),(18,11),(16,10),(5,4),(17,17),(4,3),(11,13),(19,20),(12,14),(15,19),(10,15),(1,8)
  661. ### 20min 9 (1,9),(3,10),(12,14),(5,11),(16,17),(4,4),(17,18),(10,8),(2,1),(9,7),(6,2),(11,6),(20,13),(7,3),(8,5),(13,12),(15,15),(19,20),(18,19),(14,16),(1,9)
  662. ### 20min 9 (1,9),(3,10),(12,14),(5,11),(16,17),(4,4),(17,18),(10,8),(2,1),(9,7),(6,2),(20,13),(11,6),(7,3),(8,5),(13,12),(15,15),(18,19),(19,20),(14,16),(1,9)
  663. ### 20min 9 (1,9),(12,14),(3,10),(5,11),(16,17),(4,4),(17,18),(10,8),(2,1),(9,7),(6,2),(11,6),(20,13),(7,3),(8,5),(13,12),(15,15),(19,20),(18,19),(14,16),(1,9)
  664. ### 20min 9 (1,9),(12,14),(3,10),(5,11),(16,17),(4,4),(17,18),(10,8),(2,1),(9,7),(6,2),(20,13),(11,6),(7,3),(8,5),(13,12),(15,15),(18,19),(19,20),(14,16),(1,9)
  665. ### 20min 9 (1,9),(15,18),(17,19),(13,14),(14,16),(12,13),(5,7),(10,11),(11,12),(8,8),(2,1),(6,4),(9,6),(16,10),(7,5),(20,15),(3,2),(19,17),(4,3),(18,20),(1,9)
  666. ### 20min 9 (1,10),(12,15),(14,16),(11,14),(18,18),(3,2),(6,6),(2,1),(7,5),(17,12),(4,3),(13,11),(5,4),(19,19),(8,7),(15,13),(9,8),(10,9),(20,20),(16,17),(1,10)
  667. ### 20min 9 (1,10),(14,16),(11,14),(18,18),(5,4),(8,8),(12,13),(3,2),(2,1),(15,12),(9,7),(4,3),(13,11),(6,5),(17,15),(7,6),(19,19),(10,9),(20,20),(16,17),(1,10)
  668. ### 20min 9 (1,10),(14,16),(11,14),(18,18),(5,4),(12,13),(8,8),(3,2),(2,1),(15,12),(9,7),(4,3),(13,11),(6,5),(17,15),(7,6),(19,19),(10,9),(20,20),(16,17),(1,10)
  669. ### 20min 9 (1,11),(16,4),(20,1),(10,12),(9,13),(15,8),(8,14),(19,2),(5,17),(13,10),(4,18),(17,9),(7,16),(2,20),(6,15),(3,19),(18,3),(11,7),(14,5),(12,6),(1,11)
  670. ### 20min 9 (1,11),(16,4),(20,1),(10,12),(19,2),(7,15),(17,6),(6,16),(13,10),(4,18),(9,14),(15,9),(2,20),(3,19),(8,13),(12,8),(5,17),(18,3),(11,7),(14,5),(1,11)
  671. ### 20min 9 (1,11),(16,4),(20,1),(10,12),(19,2),(7,15),(17,6),(6,16),(13,10),(4,18),(9,14),(15,9),(2,20),(3,19),(12,8),(8,13),(5,17),(18,3),(11,7),(14,5),(1,11)
  672. nodesAtEachDepth[] = 0,0,0,2641,8216,51053,308868,1592905,7938656,34548220,138402951,455887690,1297992659,2946837147,5368857950,7373247028,7379958995,5028162313,2133913616,485730960,43981265,561488
  673. #nodes = 32697984621
  674. Time = 12103.9 20min BEST=18
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