Vul de getallen verder in, met sprongen van 2
Getallen
| 1. | < | < | 21 | < | < | 25 | |||
| 2. | < | < | 675 | < | < | 679 | |||
| 3. | < | < | 598 | < | 600 | < | |||
| 4. | 105 | < | < | < | < | 113 | |||
| 5. | < | 15 | < | 17 | < | < | |||
| 6. | 767 | < | < | < | < | 775 | |||
| 7. | 691 | < | < | < | < | 699 | |||
| 8. | < | < | 831 | < | 833 | < | |||
| 9. | 639 | < | < | 643 | < | < | |||
| 10. | 983 | < | < | < | < | 991 |