Logic Masters Deutschland e.V.

Big Latin Y²

(Published on 29. October 2025, 08:00 by Kaktuslav)

You may want to try Small Latin Y² first :)

Link to SudokuPad: https://sudokupad.app/cum7kp045w



Rules: Place the digits 1–9 exactly once in each row and each column.

Yin-yang: Shade some cells so that all shaded cells are orthogonally connected, all unshaded cells are orthogonally connected, and no 2×2 area is entirely shaded or entirely unshaded.

YY cages: Within each cage, the sum of the shaded digits equals the sum of the unshaded digits. Digits MAY repeat within a cage.

Clones: The corner cells with gray diamonds contain the same digit.

Solution code: Column 4 with dashes for shading changes (e.g. 12-3456-789)

Last changed on -

Solved by tuturitu, PippoForte, MixedMathialArts, sehringdipity, bansalsaab, Snookerfan, PierreTombal, Dentones, dodo, deltameth, AKernel, lmdemasi, Isael, pmatos, MartinR, hurrdurr, abed hawila, Jesper, ... dpsy, tome_coelho, valacd, WildEnte, Manta-Ray, Firebird, JohnyK_413, konklone, paranoid, sorryimLate, Altynbek , Uhu, mew_rocks, Ramez, mse326, kevinlimanta, Frank Puzzles, zonka, redfoot, Exigus
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Comments

on 9. November 2025, 15:44 by valacd
Very clever puzzle. Took us a while to find the break in, but very rewarding. Thank you!

on 1. November 2025, 00:36 by tddragoon
This puzzle is phenomenal! I'm new to solving 4 star puzzles but I'm glad I stuck with it, it was a very satisfying solve!

on 30. October 2025, 22:58 by MartinR
Tricky, but very satisfying.

on 29. October 2025, 17:00 by Snookerfan
Brilliant puzzle with a very sophisticated and complex break-in. A slow but very enjoyable journey. Thank you!

Difficulty:4
Rating:99 %
Solved:72 times
Observed:1 times
ID:000PVU

Puzzle variant Shading puzzle Latin Square

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Solution code:

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