Sotehr came up with this concept and at first it seemed impossible to materialize but it ended up working in a surprising way. Hope you like it.
See also:
Solution code: Number in rank 22.
yesterday, 23:18 by dzamie
Very tricky! Big step up from the 5x5 full-ranks that have been popping up. Got really stuck near the end, had to guess and check for errors dozens of steps deep. Not really sure if I was missing something unique to full-rank.
yesterday, 19:16 by marcmees
The « reverse » concept got me at my first attempt. Great puzzle. Thanks.
yesterday, 14:23 by Gribba Bibba
Lovely puzzle!
yesterday, 09:22 by Sotehr
A delightful combination of rule sets that I hope everyone enjoys solving!
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