Vul de getallen verder in, met sprongen van 2
Getallen
| 1. | < | < | < | 685 | < | 687 | |||
| 2. | < | < | 102 | < | 104 | < | |||
| 3. | < | < | 475 | < | 477 | < | |||
| 4. | < | 719 | < | 721 | < | < | |||
| 5. | < | < | 158 | < | 160 | < | |||
| 6. | 215 | < | < | 219 | < | < | |||
| 7. | < | < | 320 | < | < | 324 | |||
| 8. | < | < | < | 686 | < | 688 | |||
| 9. | 173 | < | < | < | 179 | < | |||
| 10. | < | 817 | < | 819 | < | < |