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
  9 12  1  1 14  7 15  1  1
  8  0  5 14 15  6  1  6  1