Vul de getallen verder in, met sprongen tussen 20 en 50
Getallen
| 1. | 427 | < | < | 489 | < | < | |||
| 2. | < | < | 271 | < | < | 353 | |||
| 3. | 179 | < | 209 | < | < | < | |||
| 4. | 876 | < | < | 940 | < | < | |||
| 5. | 415 | < | 464 | < | < | < | |||
| 6. | < | < | 771 | < | < | 821 | |||
| 7. | < | < | < | 647 | < | 674 | |||
| 8. | < | 483 | < | < | 551 | < | |||
| 9. | < | 541 | < | < | < | 652 | |||
| 10. | < | < | 818 | < | < | 862 |