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
  9  6  8  9 16  7 13 14  7 12 17  3  7  1  0  9  0  0
  6  7 15  8  0 16 11 10 13  5 12  4  5  0  1  2  0  9
  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0
 15  8  9  5  4 16 10 10 18  0 12  7 10  0  0 13  1  9
  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0