Vul de getallen verder in, met sprongen van 2
Getallen
| 1. | < | 947 | < | < | 951 | < | |||
| 2. | < | < | < | 129 | < | 131 | |||
| 3. | < | 609 | < | < | 613 | < | |||
| 4. | < | < | < | 871 | < | 873 | |||
| 5. | < | < | 243 | < | 245 | < | |||
| 6. | 453 | < | 455 | < | < | < | |||
| 7. | < | < | 317 | < | 319 | < | |||
| 8. | 909 | < | 911 | < | < | < | |||
| 9. | < | 598 | < | < | < | 604 | |||
| 10. | < | 619 | < | 621 | < | < |