Vul de getallen verder in, met sprongen van 2
Getallen
| 1. | < | 13 | < | < | < | 19 | |||
| 2. | 17 | < | < | 21 | < | < | |||
| 3. | < | < | 12 | < | 14 | < | |||
| 4. | 19 | < | < | < | 25 | < | |||
| 5. | < | 12 | < | 14 | < | < | |||
| 6. | < | 23 | < | < | < | 29 | |||
| 7. | < | < | 8 | < | < | 12 | |||
| 8. | 22 | < | < | 26 | < | < | |||
| 9. | < | < | 11 | < | < | 15 | |||
| 10. | < | 18 | < | 20 | < | < |