MAZE
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MARK
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x x x x x x x x x . . . . . . . 
x x x x x x x x x . . . . . . . 
x x x x x x x x x . . . . . . . 
x x x x x x x x x . . . . . . . 
x x x x x x x x x . . . . . . . 
x x x x x x x x x . . . . . . . 
x x x x x x x x x . . . . . . . 
x x x x x x x x x . . . . . . . 
x x x x x x x x x . . . . . . . 

MAP
 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
  8  9 10 11 12 13 38 39 40 -1 -1 -1 -1 -1 -1 -1
  7 28 29 30 31 32 37 40 -1 -1 -1 -1 -1 -1 -1 -1
  6 27 36 35 34 33 36 21 22 -1 -1 -1 -1 -1 -1 -1
  5 26 25 24 25 34 35 20 21 -1 -1 -1 -1 -1 -1 -1
  4 27 24 23 22 21 20 19 18 -1 -1 -1 -1 -1 -1 -1
  3 12 11 10 11 14 15 16 17 -1 -1 -1 -1 -1 -1 -1
  2  3  4  9 12 13 14 15 16 -1 -1 -1 -1 -1 -1 -1
  1  8  5  8  9 12 13 14 15 -1 -1 -1 -1 -1 -1 -1
  0  7  6  7 10 11 12 13 16 -1 -1 -1 -1 -1 -1 -1


