3    19     9     9
  9 18  0  0  0  0  0  0  0
  0  0  1  0  0  0  0  0  0
  6 14 10  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  0  0  0  1  0
  0  0  0  1  0  0  0  0  0
  0 17  7 11 11  6  8 11 16
 14  0  4  5  6  9 14 17  8