| 3999 | X | 1 | = | 3999 |
| 3999 | X | 2 | = | 7998 |
| 3999 | X | 3 | = | 11997 |
| 3999 | X | 4 | = | 15996 |
| 3999 | X | 5 | = | 19995 |
| 3999 | X | 6 | = | 23994 |
| 3999 | X | 7 | = | 27993 |
| 3999 | X | 8 | = | 31992 |
| 3999 | X | 9 | = | 35991 |
| 3999 | X | 10 | = | 39990 |
| 3999 | X | 11 | = | 43989 |
| 3999 | X | 12 | = | 47988 |
| 3999 | X | 13 | = | 51987 |
| 3999 | X | 14 | = | 55986 |
| 3999 | X | 15 | = | 59985 |
| 3999 | X | 16 | = | 63984 |
| 3999 | X | 17 | = | 67983 |
| 3999 | X | 18 | = | 71982 |
| 3999 | X | 19 | = | 75981 |
| 3999 | X | 20 | = | 79980 |