1 | 2 | 3 | 0 | 6 | 5 | 0 | 0
0 | 0 | 0 | 4 | 0 | 0 | 0 | 11
9 | 10 | 0 | 0 | 0 | 0 | 0 | 12
0 | 0 | 0 | 7 | 8 | 0 | 0 | 13