3    19    18    18
 18 18  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 17 18  1  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0  0
  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0
  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0
  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0  0  0
  0  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0
  0  0  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0
  0  0  0  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0
  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0
  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  1  0  0
  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  1
 12 11 14  7 11 15  1 11  2  2 12 14 15  1  0  3  0  2
 13 16  0  6 13 16  0  7  4 13 15  3 17  0  1 12  0  8
  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0
 10  0  5  3  8 17  8  0 10 16  2  2 14  0  0  7  1  8
  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0