1   1  -3   0   0   1
   1   1  -2   0   0   0
   1   1  -1   0   0   1
   1   1   0   0   0   0
   1   1   1   0   0  -1
   2   0   0   0   0   0
   2   2  -3   0   0   1
   2   2  -2   0   0   0
   2   2  -1   0   0  -1
   2   2   0   0   0   0
   3   3  -4   0   0   0
   3   3  -3   0   0   0
   3   3  -2   0   0   0
   4   4  -4   0   0   0
   5   5  -5   0   0   0
   6   6  -6   0   0   0