Vul de getallen verder in, met sprongen van 2
Telrij
| 1. | < | 13 | < | < | < | 19 | |||
| 2. | 507 | < | < | < | 513 | < | |||
| 3. | 916 | < | 918 | < | < | < | |||
| 4. | 315 | < | 317 | < | < | < | |||
| 5. | < | < | < | 413 | < | 415 | |||
| 6. | < | < | 721 | < | 723 | < | |||
| 7. | 721 | < | < | 725 | < | < | |||
| 8. | < | 487 | < | < | < | 493 | |||
| 9. | < | < | 57 | < | 59 | < | |||
| 10. | < | 870 | < | < | 874 | < |