3    11     8     8
  0  1  0  0  0  0  0  0
 10  0  0  0  0  0  0  0
  0  0  0  1  0  0  0  0
  0  0 10  0  0  0  0  0
  0  0  0  0  0  1  0  0
  0  0  0  0 10  0  0  0
  4  1  5  8  5  7 10  9
  3  7 10  4  5 10  1  1