| 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 | 11 | = | 43901 |
| 3991 | X | 12 | = | 47892 |
| 3991 | X | 13 | = | 51883 |
| 3991 | X | 14 | = | 55874 |
| 3991 | X | 15 | = | 59865 |
| 3991 | X | 16 | = | 63856 |
| 3991 | X | 17 | = | 67847 |
| 3991 | X | 18 | = | 71838 |
| 3991 | X | 19 | = | 75829 |
| 3991 | X | 20 | = | 79820 |