Vul de getallen verder in, met sprongen van 2
Getallen
| 1. | < | < | 907 | < | 909 | < | |||
| 2. | < | 645 | < | < | < | 651 | |||
| 3. | < | < | 720 | < | < | 724 | |||
| 4. | < | < | 867 | < | 869 | < | |||
| 5. | 5 | < | < | < | < | 13 | |||
| 6. | < | 214 | < | < | < | 220 | |||
| 7. | 417 | < | < | < | 423 | < | |||
| 8. | 442 | < | < | 446 | < | < | |||
| 9. | < | < | < | 855 | < | 857 | |||
| 10. | 221 | < | 223 | < | < | < |