| 1 | · | 21 | = | 21 |
| 2 | · | 21 | = | 42 |
| 3 | · | 21 | = | 63 |
| 4 | · | 21 | = | 84 |
| 5 | · | 21 | = | 105 |
| | | 6 | · | 21 | = | 126 |
| 7 | · | 21 | = | 147 |
| 8 | · | 21 | = | 168 |
| 9 | · | 21 | = | 189 |
| 10 | · | 21 | = | 210 |
| | | 11 | · | 21 | = | 231 |
| 12 | · | 21 | = | 252 |
| 13 | · | 21 | = | 273 |
| 14 | · | 21 | = | 294 |
| 15 | · | 21 | = | 315 |
| | | 16 | · | 21 | = | 336 |
| 17 | · | 21 | = | 357 |
| 18 | · | 21 | = | 378 |
| 19 | · | 21 | = | 399 |
| 20 | · | 21 | = | 420 |
|