3    23     7     7
 13 22  0  0  0  0  0
  0  0  1  0  0  0  0
 11 15 10  0  0  0  0
  0  0  0  0  1  0  0
  0  0  0  0  0  0  1
  6  4  7 16 21  1  9
  0  0  0  1  0  0  0