Vul de getallen verder in, met sprongen van 2
Getallen
| 1. | < | 507 | < | < | 511 | < | |||
| 2. | 859 | < | < | < | 865 | < | |||
| 3. | < | < | 456 | < | 458 | < | |||
| 4. | 516 | < | < | < | < | 524 | |||
| 5. | < | 311 | < | < | < | 317 | |||
| 6. | 644 | < | 646 | < | < | < | |||
| 7. | < | < | < | 991 | < | 993 | |||
| 8. | 49 | < | < | < | < | 57 | |||
| 9. | < | < | 848 | < | < | 852 | |||
| 10. | < | < | < | 344 | < | 346 |