3    11     7     7
  0  1  0  0  0  0  0
  1  0  0  0  0  0  0
  0  0  0  0  1  0  0
  0  0  0  0  0  1  0
  0  0  1  0  0  0  0
  0  0  0  1  0  0  0
  2  2  7 10  7 10 10