[
  [None,    [8, 2],  [3, 3],  [9, 5]],  #0
  [None,    [9, 6],  [3, 7],  [3, 9]],  #1
  [[8, 0],  None,    [7, 10], [4, 3]],  #2
  [[3, 0],  [4, 2],  [2, 10], [2, 4]],  #3
  [None,    [2, 3],  [6, 12], [2, 5]],  #4
  [[9, 0],  [2, 4],  None,    [2, 6]],  #5
  [[9, 1],  [2, 5],  None,    [2, 7]],  #6
  [None,    [2, 6],  [6, 13], [2, 8]],  #7
  [[3, 1],  [2, 7],  [2, 11], [4, 9]],  #8
  [[9, 1],  [4, 8],  [7, 11], None],    #9
  [[2, 3],  [7, 2],  [5, 14], None],    #10
  [[2, 8],  None,    [5, 17], [7, 9]],  #11
  [[6, 4],  [0, 15], None,    [0, 13]], #12
  [[6, 7],  [0, 11], None,    [0, 16]], #13
  [[5, 10], [0, 17], [5, 20], [0, 15]], #14
  [[0, 11], [0, 14], [0, 18], None],    #15
  [[0, 13], None,    [0, 19], [0, 17]], #16
  [[5, 11], [0, 16], [5, 23], [0, 14]], #17
  [[2, 15], None,    [0, 21], [0, 19]], #18
  [[2, 16], [0, 18], [0, 22], None],    #19
  [[5, 14], [12,30], [2, 24], [2, 21]], #20
  [[0, 18], [2, 20], None,    [5, 26]], #21
  [[0, 19], [5, 27], None,    [2, 23]], #22
  [[5, 17], [2, 22], [2, 29], [12,31]], #23
  [[2, 20], None,    [5, 30], [2, 24]], #24
  [None,    [2, 23], [8, 32], [2, 26]], #25
  [[5, 21], [2, 25], None,    [0, 27]], #26
  [[5, 22], [0, 26], None,    [2, 28]], #27
  [None,    [2, 27], [8, 33], [2, 29]], #28
  [[2, 23], [2, 23], [5, 31], None],    #29
  [[12,20], [15,32], None,    [5, 24]], #30
  [[12,23], [5, 29], None,    [15,33]], #31
  [[8, 25], [15,30], None,    [2, 33]], #32
  [[8, 28], [2, 32], None,    [15,31]], #33
]