Tabla del 231
| 231 | X | 1 | = | 231 |
| 231 | X | 2 | = | 462 |
| 231 | X | 3 | = | 693 |
| 231 | X | 4 | = | 924 |
| 231 | X | 5 | = | 1155 |
| 231 | X | 6 | = | 1386 |
| 231 | X | 7 | = | 1617 |
| 231 | X | 8 | = | 1848 |
| 231 | X | 9 | = | 2079 |
| 231 | X | 10 | = | 2310 |
| 231 | X | 1 | = | 231 |
| 231 | X | 2 | = | 462 |
| 231 | X | 3 | = | 693 |
| 231 | X | 4 | = | 924 |
| 231 | X | 5 | = | 1155 |
| 231 | X | 6 | = | 1386 |
| 231 | X | 7 | = | 1617 |
| 231 | X | 8 | = | 1848 |
| 231 | X | 9 | = | 2079 |
| 231 | X | 10 | = | 2310 |