Vul de getallen verder in, met sprongen van 3
Getallen
| 1. | < | 21 | < | < | < | 30 | |||
| 2. | 17 | < | 20 | < | < | < | |||
| 3. | < | < | 13 | < | < | 19 | |||
| 4. | 4 | < | < | 10 | < | < | |||
| 5. | < | < | < | 21 | < | 24 | |||
| 6. | < | < | < | 15 | < | 18 | |||
| 7. | 5 | < | 8 | < | < | < | |||
| 8. | 4 | < | 7 | < | < | < | |||
| 9. | < | 19 | < | < | 25 | < | |||
| 10. | < | 12 | < | < | 18 | < |