3    13     9     9
  8 10  0  0  0  0  0  0  0
  0  0  1  0  0  0  0  0  0
 10  1  5  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  1  0
  0  0  0  1  0  0  0  0  0
  3 12 10  2  4 10  0  9 11
  4  9 11  9  6 12  2  0  4