Vul de getallen verder in, met sprongen tussen 20 en 50
Getallen
| 1. | 367 | < | < | 419 | < | < | |||
| 2. | 489 | < | < | < | 567 | < | |||
| 3. | 508 | < | < | 576 | < | < | |||
| 4. | 451 | < | < | 543 | < | < | |||
| 5. | < | < | 949 | < | 983 | < | |||
| 6. | < | < | 413 | < | < | 463 | |||
| 7. | < | < | 423 | < | 473 | < | |||
| 8. | < | 798 | < | < | < | 876 | |||
| 9. | < | < | < | 645 | < | 687 | |||
| 10. | < | 909 | < | < | < | 996 |