3    16     9     9
  0  0  1  0  0  0  0  0  0
  0  1  1  0  0  0  0  0  0
  1  0  1  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
 14 10  1  1  9  7  8  1  1
 15  0  4  9  8  6  1  6  1