| 639 | x | 1 | = | 639 |
| 639 | x | 2 | = | 1278 |
| 639 | x | 3 | = | 1917 |
| 639 | x | 4 | = | 2556 |
| 639 | x | 5 | = | 3195 |
| 639 | x | 6 | = | 3834 |
| 639 | x | 7 | = | 4473 |
| 639 | x | 8 | = | 5112 |
| 639 | x | 9 | = | 5751 |
| 639 | x | 10 | = | 6390 |
| 639 | x | 11 | = | 7029 |
| 639 | x | 12 | = | 7668 |
| 639 | x | 13 | = | 8307 |
| 639 | x | 14 | = | 8946 |
| 639 | x | 15 | = | 9585 |
| 639 | x | 16 | = | 10224 |
| 639 | x | 17 | = | 10863 |
| 639 | x | 18 | = | 11502 |
| 639 | x | 19 | = | 12141 |
| 639 | x | 20 | = | 12780 |
| 639 | x | 21 | = | 13419 |
| 639 | x | 22 | = | 14058 |
| 639 | x | 23 | = | 14697 |
| 639 | x | 24 | = | 15336 |
| 639 | x | 25 | = | 15975 |
| 639 | x | 26 | = | 16614 |
| 639 | x | 27 | = | 17253 |
| 639 | x | 28 | = | 17892 |
| 639 | x | 29 | = | 18531 |
| 639 | x | 30 | = | 19170 |