Vul de getallen verder in, met sprongen van 3
Getallen
| 1. | < | < | < | 20 | < | 23 | |||
| 2. | 6 | < | 9 | < | < | < | |||
| 3. | 10 | < | < | 16 | < | < | |||
| 4. | < | < | < | 25 | < | 28 | |||
| 5. | 11 | < | < | < | < | 23 | |||
| 6. | 1 | < | 4 | < | < | < | |||
| 7. | < | < | 15 | < | < | 21 | |||
| 8. | < | 13 | < | < | 19 | < | |||
| 9. | 8 | < | < | 14 | < | < | |||
| 10. | < | < | 23 | < | < | 29 |