Tabla del -1980
| -1980 | X | 1 | = | -1980 |
| -1980 | X | 2 | = | -3960 |
| -1980 | X | 3 | = | -5940 |
| -1980 | X | 4 | = | -7920 |
| -1980 | X | 5 | = | -9900 |
| -1980 | X | 6 | = | -11880 |
| -1980 | X | 7 | = | -13860 |
| -1980 | X | 8 | = | -15840 |
| -1980 | X | 9 | = | -17820 |
| -1980 | X | 10 | = | -19800 |
| -1980 | X | 1 | = | -1980 |
| -1980 | X | 2 | = | -3960 |
| -1980 | X | 3 | = | -5940 |
| -1980 | X | 4 | = | -7920 |
| -1980 | X | 5 | = | -9900 |
| -1980 | X | 6 | = | -11880 |
| -1980 | X | 7 | = | -13860 |
| -1980 | X | 8 | = | -15840 |
| -1980 | X | 9 | = | -17820 |
| -1980 | X | 10 | = | -19800 |