Rules:
Enjoy!
Solution code: The 9-digit number of rank 6.
on 29. August 2026, 17:07 by cyddrdrd
Brilliant construction! Thanks :)
on 24. August 2026, 08:21 by MatthiasVC
Very elegant puzzle. It's hard but there is a very nice flow. All about the finer details and I like that a lot!
on 22. August 2026, 19:16 by tallcat
A fantastic construction. Although outside of my usual comfort zone (given i have not solved a lot of full rank), I did not find this brutally hard but just requiring a lot of careful thought. Well done!
on 17. August 2026, 21:33 by Snookerfan
Fabulous, thanks for the challenge!
on 17. August 2026, 20:30 by Fool on Hill
Excellent construction.
on 17. August 2026, 19:56 by Agent
Impressive construction!
on 16. August 2026, 10:18 by Piatato
Brilliantly constructed, thanks!
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