1 | 0 | 0 | 0 | 6 | 0 | 0 | 0
2 | 7 | 0 | 3 | 0 | 0 | 0 | 0
0 | 0 | 0 | 0 | 7 | 0 | 0 | 0
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0