Vul de getallen verder in, met sprongen tussen 20 en 50
Getallen
| 1. | < | 152 | < | < | < | 257 | |||
| 2. | 516 | < | < | < | < | 716 | |||
| 3. | 231 | < | 251 | < | < | < | |||
| 4. | < | 501 | < | 537 | < | < | |||
| 5. | 204 | < | < | 262 | < | < | |||
| 6. | 817 | < | 848 | < | < | < | |||
| 7. | < | < | 629 | < | < | 679 | |||
| 8. | 373 | < | 410 | < | < | < | |||
| 9. | 407 | < | < | < | < | 595 | |||
| 10. | < | 439 | < | < | < | 574 |