Vul de getallen verder in, met sprongen van 2
Getallen
| 1. | 23 | < | < | < | < | 31 | |||
| 2. | < | 302 | < | 304 | < | < | |||
| 3. | 544 | < | < | < | < | 552 | |||
| 4. | < | 451 | < | 453 | < | < | |||
| 5. | < | < | 80 | < | < | 84 | |||
| 6. | < | 309 | < | < | 313 | < | |||
| 7. | < | 138 | < | < | 142 | < | |||
| 8. | < | 836 | < | 838 | < | < | |||
| 9. | 170 | < | 172 | < | < | < | |||
| 10. | < | 670 | < | 672 | < | < |