Vul de getallen verder in, met sprongen tussen 20 en 50
Getallen
| 1. | 221 | < | < | 307 | < | < | |||
| 2. | < | 377 | < | < | 461 | < | |||
| 3. | < | < | 492 | < | < | 584 | |||
| 4. | < | < | 694 | < | 717 | < | |||
| 5. | 480 | < | < | < | < | 656 | |||
| 6. | < | 678 | < | < | 744 | < | |||
| 7. | < | < | 476 | < | 510 | < | |||
| 8. | 638 | < | 688 | < | < | < | |||
| 9. | < | < | < | 489 | < | 514 | |||
| 10. | < | 899 | < | 949 | < | < |