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        ........vvvv.............vvvvvvvvvvvvv.......................
     .........vvvvv.............vvvvvvvvvvv.............................
   ....vvv...vvvvvv............vvvvvvvv...................................
  .....vvvv.vvvvvv.............vvvvvvvvvv..................................
 ......vvvvvvvvv..............vvvvvvvvvvvv..................................
........vvvvvvvv..............vvvv..vvvvvvv..................................
........vvvvvv....vvvv........vvv......vvvvv.................................
..........vvv.....vvvvvvvv..............vvvvv................................
 .................vvvvvvvv...............vvvv...............................
  ..................vvvvvv................vvvv.............................
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     ................vvvvv.................vvvv..............vvv........
        ..........vvvvvvv....vvv...........vvvv..............v*v.....
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                 vvvvvv......vvvvv.........vvv..............
                     .........vvvv......................
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