| 0 1 | |
| 1 1 2 | |
| 2 1 2 3 | |
| 3 1 2 3 4 | |
| 4 1 2 3 4 5 | |
| 5 1 2 3 4 5 6 | |
| 6 1 2 3 4 5 6 7 | |
| 7 1 2 3 4 5 6 7 8 | |
| 8 1 2 3 4 5 6 7 8 9 | |
| 9 1 2 3 4 5 6 7 8 9 10 | |
| 10 11 | |
| 11 11 12 | |
| 12 11 12 13 | |
| 13 11 12 13 14 | |
| 14 11 12 13 14 15 | |
| 15 11 12 13 14 15 16 | |
| 16 11 12 13 14 15 16 17 | |
| 17 11 12 13 14 15 16 17 18 | |
| 18 11 12 13 14 15 16 17 18 19 | |
| 19 0 11 12 13 14 15 16 17 18 19 |