Tabla del -820
| -820 | X | 1 | = | -820 |
| -820 | X | 2 | = | -1640 |
| -820 | X | 3 | = | -2460 |
| -820 | X | 4 | = | -3280 |
| -820 | X | 5 | = | -4100 |
| -820 | X | 6 | = | -4920 |
| -820 | X | 7 | = | -5740 |
| -820 | X | 8 | = | -6560 |
| -820 | X | 9 | = | -7380 |
| -820 | X | 10 | = | -8200 |
| -820 | X | 1 | = | -820 |
| -820 | X | 2 | = | -1640 |
| -820 | X | 3 | = | -2460 |
| -820 | X | 4 | = | -3280 |
| -820 | X | 5 | = | -4100 |
| -820 | X | 6 | = | -4920 |
| -820 | X | 7 | = | -5740 |
| -820 | X | 8 | = | -6560 |
| -820 | X | 9 | = | -7380 |
| -820 | X | 10 | = | -8200 |