3    11     8     8
  1  9  2  0  0  0  0  0
  0  0  1  0  0  0  0  0
  0  1  0  0  0  0  0  0
  2  7  2  0  1  0  0  0
  9  2  0  1  0  0  0  0
  7  7  9  0  7  0 10  0
  4  9 10  7  0 10  0  0
  8  7  3  4  1  4  4  1