3    23     9     9
  0  0  1  0  0  0  0  0  0
  0  0  0  1  0  0  0  0  0
  1 22  0  1  0  0  0  0  0
  1  0 22  1  0  0  0  0  0
  0  0  0  0  0  0  1  0  0
  0  0  0  0  0  0  0  1  0
 22  0  0 22 22  0 22  0  0
  5  9  6 13 18  6  1  0 18
 22  8  3 10  9  9  8 15  0