Vul de getallen verder in, met sprongen van 3
Getallen
| 1. | < | 13 | < | < | 19 | < | |||
| 2. | 19 | < | < | < | < | 31 | |||
| 3. | < | 19 | < | 22 | < | < | |||
| 4. | < | < | 12 | < | 15 | < | |||
| 5. | < | < | < | 23 | < | 26 | |||
| 6. | 19 | < | 22 | < | < | < | |||
| 7. | 17 | < | 20 | < | < | < | |||
| 8. | < | 22 | < | 25 | < | < | |||
| 9. | < | 11 | < | < | 17 | < | |||
| 10. | 28 | < | < | < | < | 40 |