3    17    10    10
  0  1  0  0  0  0  0  0  0  0
 16  0  0  0  0  0  0  0  0  0
  0  0  0  1  0  0  0  0  0  0
  0  0 16  0  0  0  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 16  0  0  0  0  0
  0  0  0  0  0 16  0  0  0  0
  4  1  3  5 10 11 11  7 13  0
 11 10 15  9  9 11  2 10  0  4