3    25    12    12
  7 23  7 16  0  7  0 16  7 16  0 23
 14 23 14 23  0  7  7 16  7  0 23 14
  7 23 14  7  0 14  0  0 16 14 23  0
 14 23 14 14 16  0  0 23 14 14  7  7
 23  0 14  7 14 23  7  0  0 23  0 23
 23 14  7  7 16  7 23 23  0 23 16 14
  0  0 23 14  7 14 23 16 23 16  7 16
 23 23 14 14 16  7 23 14  7  0  0  7
 16 23 23 16  0 23  0 16  7  7 23  0
  0  0 16 23  0 16 23 23 14 23  7  0
  7  7 23 16 16  0  7  7 14 23 23 14
 16  0 23 16  7  7  0 23  7 16 23 16