Vul de getallen verder in, met sprongen van 3
Getallen
| 1. | < | 13 | < | < | 19 | < | |||
| 2. | < | 9 | < | < | < | 18 | |||
| 3. | < | < | < | 23 | < | 26 | |||
| 4. | < | < | 19 | < | < | 25 | |||
| 5. | < | < | 20 | < | 23 | < | |||
| 6. | 15 | < | 18 | < | < | < | |||
| 7. | < | 6 | < | < | 12 | < | |||
| 8. | 17 | < | < | 23 | < | < | |||
| 9. | 3 | < | < | < | < | 15 | |||
| 10. | 11 | < | < | < | 20 | < |