| 1640 | X | 1 | = | 1640 |
| 1640 | X | 2 | = | 3280 |
| 1640 | X | 3 | = | 4920 |
| 1640 | X | 4 | = | 6560 |
| 1640 | X | 5 | = | 8200 |
| 1640 | X | 6 | = | 9840 |
| 1640 | X | 7 | = | 11480 |
| 1640 | X | 8 | = | 13120 |
| 1640 | X | 9 | = | 14760 |
| 1640 | X | 10 | = | 16400 |
| 1640 | X | 11 | = | 18040 |
| 1640 | X | 12 | = | 19680 |
| 1640 | X | 13 | = | 21320 |
| 1640 | X | 14 | = | 22960 |
| 1640 | X | 15 | = | 24600 |
| 1640 | X | 16 | = | 26240 |
| 1640 | X | 17 | = | 27880 |
| 1640 | X | 18 | = | 29520 |
| 1640 | X | 19 | = | 31160 |
| 1640 | X | 20 | = | 32800 |