Tabla del -1820
| -1820 | X | 1 | = | -1820 |
| -1820 | X | 2 | = | -3640 |
| -1820 | X | 3 | = | -5460 |
| -1820 | X | 4 | = | -7280 |
| -1820 | X | 5 | = | -9100 |
| -1820 | X | 6 | = | -10920 |
| -1820 | X | 7 | = | -12740 |
| -1820 | X | 8 | = | -14560 |
| -1820 | X | 9 | = | -16380 |
| -1820 | X | 10 | = | -18200 |
| -1820 | X | 1 | = | -1820 |
| -1820 | X | 2 | = | -3640 |
| -1820 | X | 3 | = | -5460 |
| -1820 | X | 4 | = | -7280 |
| -1820 | X | 5 | = | -9100 |
| -1820 | X | 6 | = | -10920 |
| -1820 | X | 7 | = | -12740 |
| -1820 | X | 8 | = | -14560 |
| -1820 | X | 9 | = | -16380 |
| -1820 | X | 10 | = | -18200 |