  7  9  0  0 18  9 15  8 21 14  0  0  7
  5  2 21 17  0  0  1  0  0  2  0  0  8
  7  4  0  0  0  0  4  2  0  0 21 21  6
  2  6  0  4  3 12  1 11  0  5  0  0  0
