Vul de getallen verder in, met sprongen van 2
Getallen
| 1. | < | < | 137 | < | 139 | < | |||
| 2. | < | < | 436 | < | < | 440 | |||
| 3. | < | 863 | < | < | 867 | < | |||
| 4. | 930 | < | < | < | 936 | < | |||
| 5. | < | 959 | < | 961 | < | < | |||
| 6. | 67 | < | < | 71 | < | < | |||
| 7. | < | 644 | < | < | < | 650 | |||
| 8. | 773 | < | < | 777 | < | < | |||
| 9. | 343 | < | < | < | < | 351 | |||
| 10. | < | < | 564 | < | < | 568 |