3    13    12    12
  0  1  0  0  0  0  0  0  0  0  0  0
 12  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 12  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 12  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  1  0  0
  0  0  0  0  0  0 12  0  0  0  0  0
  0  0  0  0  0  0  0 12  0  0  0  0
  0  0  0  0  0  0  0  0  0  0  8  0
  0  0  0  0  0  0  0  0  0  0  0  5