Vul de getallen verder in, met sprongen tussen 20 en 50
Getallen
| 1. | < | 428 | < | 467 | < | < | |||
| 2. | < | 155 | < | < | < | 287 | |||
| 3. | < | < | 298 | < | < | 348 | |||
| 4. | < | 498 | < | 522 | < | < | |||
| 5. | < | < | 473 | < | < | 545 | |||
| 6. | < | 417 | < | 465 | < | < | |||
| 7. | 638 | < | 666 | < | < | < | |||
| 8. | 692 | < | 742 | < | < | < | |||
| 9. | < | 259 | < | < | < | 361 | |||
| 10. | 489 | < | < | < | < | 581 |