Tabla del 3991
| 3991 | X | 1 | = | 3991 |
| 3991 | X | 2 | = | 7982 |
| 3991 | X | 3 | = | 11973 |
| 3991 | X | 4 | = | 15964 |
| 3991 | X | 5 | = | 19955 |
| 3991 | X | 6 | = | 23946 |
| 3991 | X | 7 | = | 27937 |
| 3991 | X | 8 | = | 31928 |
| 3991 | X | 9 | = | 35919 |
| 3991 | X | 10 | = | 39910 |
| 3991 | X | 1 | = | 3991 |
| 3991 | X | 2 | = | 7982 |
| 3991 | X | 3 | = | 11973 |
| 3991 | X | 4 | = | 15964 |
| 3991 | X | 5 | = | 19955 |
| 3991 | X | 6 | = | 23946 |
| 3991 | X | 7 | = | 27937 |
| 3991 | X | 8 | = | 31928 |
| 3991 | X | 9 | = | 35919 |
| 3991 | X | 10 | = | 39910 |