Logic Masters Deutschland e.V.

ABBA

(Published on 16. August 2025, 06:20 by Greenscribble24)

AB Series:

ABABA
ABBA
BBABB
AB Squared
Triangular Letters
Now I Know My ABCs

Rules:

Place 5 As and 4 Bs in every row, column, and 3x3 reigon.
The sequence of letters on a grey line must read the same forward and backward.
At least one B must appear in the 4 cells surrounding a circle clue.

Play in SudokuPad

Solution code: Column 7

Last changed on on 27. August 2025, 08:30

Solved by Megalobrainiac, Firmus, RockyRoer, Joyofrandomness, ludvigr04, ZeroNickel, RailMan, h5663454, moss, TaeChi, mjozska1985, Torvelo, Zibl, csilva, Rollo, DiMono, mikisfmc, Breaduko, misko, paranoid, pepe74287, CalvinM, xiaozhu, Frank Puzzles
Full list

Comments

on 20. August 2025, 16:41 by Torvelo
Several beautiful logical steps there. To me this felt a bit like removing all unnecessary parts from sudoku and keeping the more interesting pure set-theoretic deductions.

on 16. August 2025, 14:14 by RockyRoer
Fun puzzle genre - simple, though not necessarily easy. I enjoy it and look forward to seeing more.

Difficulty:2
Rating:94 %
Solved:24 times
Observed:0 times
ID:000OPW

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