3    17    12    12
  0  1  0  0  0  0  0  0  0  0  0  0
 16  0  0  0  0  0  0  0  0  0  0  0
  0  0  0  1  0  0  0  0  0  0  0  0
  0  0 16  0  0  0  0  0  0  0  0  0
  0  0  0  0  0  1  0  0  0  0  0  0
  0  0  0  0 16  0  0  0  0  0  0  0
  0  0  0  0  0  0  0  0  1  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 16  0  0  0  0
 15 14  4 11 16 15  9  9 10 13  1  4
  4 14  6  9  4  5 13  1  8  3  8 16