Logic Masters Deutschland e.V.

Akari Sudoku 4

(Published on 29. August 2021, 18:41 by Ringo)

Normal sudoku rules apply.

Akari: the given digits on gray squares give the number of Akari lights orthogonally adjecent to it (they don't give info about the digit in their square in the final solution). Light bulbs illuminate all cells in horizontal and vertical lines till a shaded cell or the edge of the grid. Light bulbs cannot illuminate each other. All white squares need to be illuminated.

Liar Numbers: The clues in the white squares are liar numbers, the difference between the given and the number in the final solution is equal to the distance to the closest light that illuminates it, the difference is 0 in a square where a light is placed.

A small example puzzle can be found here, at the bottom of the puzzle description.

Penpa Link

Solution code: Column 9 followed by row 9


Solved by Stormiar, bigger, cha
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Comments

on 28. September 2021, 10:27 by Hausigel_mod
Variant label added (because of the Liar numbers)

on 28. September 2021, 10:25 by Hausigel_mod
Added label for Online solving tool

on 29. August 2021, 19:44 by Ringo
I made a new puzzle, this time limiting the number of grey squares since those were always a headache when trying to finish the construction of a puzzle. I think that resulted in a slightly more difficult puzzle than the previous ones, but I'm not sure so I would be happy with any feedback on it.

Difficulty:4
Rating:N/A
Solved:3 times
Observed:4 times
ID:0007EV

Puzzle combination Puzzle variant Online solving tool

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Solution code:

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