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