Logic Masters Deutschland e.V.

Titan Arum (Ichikara)

(Published on 15. January 2026, 03:47 by juggler)

More Ichikara puzzles

ICHIKARA
• Divide the grid into regions. A region contains the numbers from 1 to N once each, where N is the largest number in the region.
• Regions may also contain empty cells.
• ? stands for any number.

...


SudokuPad | Penpa

Solution code: The region size (largest digit) of all cells in the central column, from top to bottom.


Solved by mellowrobinson, thrutch, KNT, EFlatMinor, Mark Sweep, marcmees, Statistica, Jesper, firespire, The Book Wyrm, fkib, blackjackfitz, Crulamin, Franjo, JustinTucker, NEWS, Neumino, daniel33535, ... hamosphere, ChinStrap, karlmortenlunna, Neonesque, Piff, zZype, moss, LunchEntity, samjna0049, Lussie, Ktt, chet, Laake, Potsch, Sinuit, asynchronous, Mikemerin, Hizuriya, BabyfacedBard, Pioooooo
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Comments

on 27. March 2026, 09:51 by marty_sears
that took some quite different thinking, but I liked it!

on 23. January 2026, 20:57 by konklone
I will devour every Ichikara puzzle you make! These are like candy to me (and they look like candy once solved).

on 15. January 2026, 14:22 by blackjackfitz
Huzzah!

Difficulty:2
Rating:95 %
Solved:69 times
Observed:1 times
ID:000QZ5

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