10 16
-1   1   1   0    0   0    0   0   0   0   0   0   0   0   0      0
 0   0   0  -1    1   1    0   0   0   0   0   0   0   0   0      0
 0   0  -1   0    0   0    1   1   0   0   0   0   0   0   0      0
 0   0   0   0    0  -1    0   0   1   1   0   0   0   0   0      0
 0  56   0   0    0   0    0   0   0   0  -1   0   0   0   0      0
 0   0   0   0 -318   0    0   0   0   0   0  -1   0   0   0      0
 0   0   0   0    0   0 -276   0   0   0   0   0  -1   0   0      0
 0   0   0   0    0   0    0   0 -28   0   0   0   0  -1   0      0
 0   0   0   0    0   0    0   0   0   0   1   1   0   0  -1  -6825
 0   0   0   0    0   0    0   0   0   0   0   0   1   1  -1      0