Vul de getallen verder in, met sprongen van 2
Getallen
| 1. | 48 | < | < | 52 | < | < | |||
| 2. | 861 | < | < | < | < | 869 | |||
| 3. | < | 144 | < | 146 | < | < | |||
| 4. | 511 | < | < | < | < | 519 | |||
| 5. | 729 | < | < | < | < | 737 | |||
| 6. | < | 904 | < | 906 | < | < | |||
| 7. | 53 | < | < | < | < | 61 | |||
| 8. | < | 827 | < | < | < | 833 | |||
| 9. | < | 315 | < | < | 319 | < | |||
| 10. | < | < | 399 | < | 401 | < |