| 998 | X | 1 | = | 998 |
| 998 | X | 2 | = | 1996 |
| 998 | X | 3 | = | 2994 |
| 998 | X | 4 | = | 3992 |
| 998 | X | 5 | = | 4990 |
| 998 | X | 6 | = | 5988 |
| 998 | X | 7 | = | 6986 |
| 998 | X | 8 | = | 7984 |
| 998 | X | 9 | = | 8982 |
| 998 | X | 10 | = | 9980 |
| 998 | X | 11 | = | 10978 |
| 998 | X | 12 | = | 11976 |
| 998 | X | 13 | = | 12974 |
| 998 | X | 14 | = | 13972 |
| 998 | X | 15 | = | 14970 |
| 998 | X | 16 | = | 15968 |
| 998 | X | 17 | = | 16966 |
| 998 | X | 18 | = | 17964 |
| 998 | X | 19 | = | 18962 |
| 998 | X | 20 | = | 19960 |