Vul de getallen verder in, met sprongen van 3
Getallen
| 1. | < | 21 | < | 24 | < | < | |||
| 2. | < | 5 | < | 8 | < | < | |||
| 3. | 10 | < | < | 16 | < | < | |||
| 4. | 14 | < | < | 20 | < | < | |||
| 5. | < | < | 20 | < | < | 26 | |||
| 6. | < | < | 15 | < | 18 | < | |||
| 7. | 13 | < | < | < | 22 | < | |||
| 8. | < | 11 | < | < | 17 | < | |||
| 9. | < | < | 12 | < | < | 18 | |||
| 10. | < | 16 | < | < | 22 | < |