matrix

1
2
3
4
5
6
5 5 7
4 5 | 0 0 | 0 0 | 0 0 | 0 0 |
0 0 | 3 8 | 0 0 | 2 1 | 0 0 |
0 0 | 4 5 | 0 0 | 0 0 | 0 0 |
0 0 | 0 0 | 0 0 | 0 0 | 1 2 |
0 0 | 0 0 | 6 9 | 0 0 | 0 0 |