Tabla del -257
| -257 | X | 1 | = | -257 |
| -257 | X | 2 | = | -514 |
| -257 | X | 3 | = | -771 |
| -257 | X | 4 | = | -1028 |
| -257 | X | 5 | = | -1285 |
| -257 | X | 6 | = | -1542 |
| -257 | X | 7 | = | -1799 |
| -257 | X | 8 | = | -2056 |
| -257 | X | 9 | = | -2313 |
| -257 | X | 10 | = | -2570 |
| -257 | X | 1 | = | -257 |
| -257 | X | 2 | = | -514 |
| -257 | X | 3 | = | -771 |
| -257 | X | 4 | = | -1028 |
| -257 | X | 5 | = | -1285 |
| -257 | X | 6 | = | -1542 |
| -257 | X | 7 | = | -1799 |
| -257 | X | 8 | = | -2056 |
| -257 | X | 9 | = | -2313 |
| -257 | X | 10 | = | -2570 |