Logic Masters Deutschland e.V.

Worm Hole Yin Yang

(Published on 20. June 2026, 01:26 by TrivialHomology)

Oops, there's a worm hole in my sudoku grid!

Rules
  • Standard Sudoku rules apply. Place the digits 1-9 once each in every line, column and 3×3 box.
  • Cosmic Yin Yang. Divide the grid into shaded (matter) and unshaded cells (antimatter), such that:
    • No 2x2 area of the grid is completely shaded or completely unshaded.
    • The shaded and unshaded cells each form one orthogonally connected region, however:
    • R2C8 and R8C2 are wormholes (indicated by the purple shaded circles). These two cells are considered orthogonally adjacent with regard to the shading rules.
  • Values. The value of a matter cell is 1 more than the digit it contains. The value of an antimatter cell is 1 less than the digit it contains.
  • Comets (Arrows). The value of a comet cell (orange circle) is the sum of all values on the corresponding tail (orange-yellow line) of the comet.
    If a comet has multiple tails, the values on each tail separately sum to the value on the comet.
  • White moons (Kropki dots). White dwarfs (white dots) sit between a shaded and unshaded cell. Cells separated by a white dwarf have consecutive values.
  • Grey moons. Cells separated by a grey moon (dot) are either both matter or both antimatter.


    • Click on the picture to open the puzzle in Sudoku-Pad Also check out my other puzzles, I am particularly satisfied with this one.

Solution code: The unshaded digits in column 1 from top to bottom.

Last changed on on 24. July 2026, 16:06

Solved by ClashCode, Muhammad
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Comments

on 26. July 2026, 20:40 by Muhammad
Amazing puzzle!

on 24. July 2026, 16:06 by TrivialHomology
Added the important condition that white dots separate shaded and unshaded cells.

Difficulty:5
Rating:N/A
Solved:2 times
Observed:3 times
ID:000TDE

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