Logic Masters Deutschland e.V.

(Yin)German Pairrows

I am happy to present you the puzzle created for Scojo's prompt with region building puzzle driven by pairrows :-)

I would like to tell you that this is not a typical Yin-Yang puzzle, it can be fully solved without YY, so YY is like an add-on to the normal sudoku. You can do the YY after the sudoku is finished, but I think it is funnier to do the Yin-Yang in parallel with the sudoku, and I recommend it that way :-)

Shotout to DubiousMobius, who has created pairrows constraint.
You can try his brilliant 6x6 puzzle pack introducing this neat constraint here!
List of puzzles with pairrows

I hope you will enjoy and I would be really grateful for all the comments and ratings.

Normal sudoku rules apply.

Yin-Yang: Shade some cells in the grid so that all shaded cells are orthogonally connected, all unshaded cells are orthogonally connected, and no 2×2 region is entirely shaded or entirely unshaded.

German Yin-Yang Pairrows: If a clue cell with 2 arrows contains the digit N, then the two targeted cells N steps away in the indicated directions will have a difference of at least 5.

If the clue cell and one of the targeted cells also have a difference of at least 5, then both targeted cells belong to the same Yin-Yang region as one another (the clue cell may or may not belong to the same Yin-Yang region as its targets). Otherwise, both targeted cells belong to opposing Yin-Yang regions.

SudokuPad Link

If you liked this puzzle, I recommend trying out my other puzzles:

The Erica Series:
★☆☆☆☆: 1, 2, 4, 5, 6, 12, 15, 17, 23, 26, 27
★★☆☆☆: 3, 7, 8, 10, 11, 13, 14, 16, 18, 20, 24, 25
★★★☆☆: 9, 19, 21, 22, 28

Shading/Ying-Yang:
★★☆☆☆: Pretty Odd Shaded Area
★★★☆☆: (+5)-Yang, Negative 8 YY
★★★★★: Why-Why?

Fog of War:
★☆☆☆☆: Erica 12, Erica 17
★★☆☆☆: It's What You Do in the Dark That Puts You in the Light, Find It All, What the Fog?, Erica 20
★★★☆☆: Broken Flashlight in the Dark

Pencil Puzzle/Sudoku Hybrid:
★★☆☆☆: Masyu (Short) Sudoku
★★★☆☆: Tetromino Sudoku

Various Puzzles:
★☆☆☆☆: Blown Fuses in Electrical Installation, Let Me Introduce Myself, French Wrench, GAS Regional Constraints
★★☆☆☆: Symmetrical Fan, Night Club, Important Hour on the Clock, What Was the Sum Again?, Disgroup Joints, 10-Arrows, Antiking Dutch Skyscrapers, (Not so) Little Killers
★★★☆☆: Cops & Robbers, Positive Symmetry, Doppelgänger Killer 1-25, Region Whisper Line, Christmas Chaos
★★★★☆: Liars. Liars Everywhere., Sandwiched XV Squishmates, Fireworks 2025