| 915 | X | 1 | = | 915 |
| 915 | X | 2 | = | 1830 |
| 915 | X | 3 | = | 2745 |
| 915 | X | 4 | = | 3660 |
| 915 | X | 5 | = | 4575 |
| 915 | X | 6 | = | 5490 |
| 915 | X | 7 | = | 6405 |
| 915 | X | 8 | = | 7320 |
| 915 | X | 9 | = | 8235 |
| 915 | X | 10 | = | 9150 |
| 915 | X | 11 | = | 10065 |
| 915 | X | 12 | = | 10980 |
| 915 | X | 13 | = | 11895 |
| 915 | X | 14 | = | 12810 |
| 915 | X | 15 | = | 13725 |
| 915 | X | 16 | = | 14640 |
| 915 | X | 17 | = | 15555 |
| 915 | X | 18 | = | 16470 |
| 915 | X | 19 | = | 17385 |
| 915 | X | 20 | = | 18300 |