| A | B | C | D | E | F | |
|---|---|---|---|---|---|---|
1 | 1 | 0 | 0 | 4 | 0 | 0 |
2 | 2 | 0 | 0 | 5 | 0 | 0 |
3 | 3 | 0 | 0 | 6 | 0 | 0 |
4 | 7 | 0 | 0 | 8 | 0 | 0 |
5 | 9 | 0 | 0 | 0 | 0 | 0 |
6 | 1 | 0 | 2 | 0 | 3 | 0 |
7 | 4 | 0 | 5 | 0 | 6 | 0 |
8 | 7 | 0 | 8 | 0 | 9 | 0 |
9 | 3 | 4 | 5 | 6 | 7 | 8 |
10 | 9 | 0 | 1 | 0 | 0 | 0 |
11 | 2 | 0 | 0 | 0 | 1 | 2 |
12 | 3 | 0 | 0 | 0 | 0 | 0 |
13 | 4 | 0 | 0 | 0 | ||
14 | 5 | 0 | 0 | 0 | ||
15 | 6 | 0 | 0 | 0 | ||
16 | 7 | 0 | 0 | 0 | ||
17 | 8 | 0 | 0 | 0 | ||
18 | 9 | 0 | 0 | 0 | ||
19 | 1 | 0 | 0 | 0 | 0 | |
20 |