Set Theory (but harder)
| Solver | Solution date |
|---|---|
| lovely | on 7. November 2025, 17:41 |
| PippoForte | on 14. October 2025, 08:19 |
| lmdemasi | on 2. October 2025, 00:23 |
| Krisonium | on 26. September 2025, 07:22 |
| RadchenkoAleksandr | on 17. September 2025, 10:02 |
| 99jau99 | on 13. August 2025, 17:45 |
| Sewerin | on 4. August 2025, 18:40 |
| asver | on 18. June 2025, 06:33 |
| by81996672 | on 15. February 2025, 09:47 |
| mezkur7 | on 10. February 2025, 23:06 |
| misko | on 23. January 2025, 13:25 |
| Yaoning | on 18. January 2025, 08:01 |
| Isael | on 14. January 2025, 00:06 |
| Da Letter El | on 13. January 2025, 23:26 |
| SXH | on 12. January 2025, 17:09 |
| Clara123 | on 11. January 2025, 16:53 |
| dennischen | on 11. January 2025, 05:53 |
| Dentones | on 10. January 2025, 18:53 |
| Vodakhan | on 10. January 2025, 17:08 |
| bansalsaab | on 10. January 2025, 16:24 |
| dipiz | on 10. January 2025, 15:33 |
| Guvenistan | on 10. January 2025, 09:26 |
| smckinley | on 10. January 2025, 06:12 |
| silent492 | on 10. January 2025, 02:54 |
| sedici | on 9. January 2025, 23:59 |
| IcyFruit | on 9. January 2025, 23:19 |
| ludvigr04 | on 9. January 2025, 19:37 |
| Fenners | on 9. January 2025, 17:02 |
| Snookerfan | on 9. January 2025, 16:33 |
| Chelo | on 9. January 2025, 12:08 |
| wang | on 9. January 2025, 07:37 |
| lianarox | on 9. January 2025, 06:58 |
| paranoid | on 9. January 2025, 06:03 |
| Fisherman | on 9. January 2025, 05:41 |
| jalebc | on 9. January 2025, 05:21 |
| askaksaksask | on 9. January 2025, 04:25 |
| OutOfMyMindBRB | on 9. January 2025, 00:16 |
| Visumation | on 9. January 2025, 00:12 |
| fuxia | on 8. January 2025, 23:53 |
| SKORP17 | on 8. January 2025, 22:49 |
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