Logic Masters Deutschland e.V.

7 UP

(Published on 3. September 2026, 10:53 by billybeth)

Normal Sudoku rules apply except that only one of the nine digits is always negative with respect to cage sums and red dots.

Cages sum to 7

Red dots connect digits in the ratio of 1:-2. All red dots are given

Solve online : Sudokupad

Solution code: top row


Solved by L00ping007, Nelyn, tehbertl, goldensun, Adrian71, Bravissimo, TaeChi, SKORP17, Berkals, josemadre, amirs, Hrothan, balpha, snipermonkey07, galaxyn, ebulku, Elizy, kangaroo, Deivi55, florita, SEPHEN
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Comments

on 6. September 2026, 10:46 by florita
That was really fun!! Thanks :)

on 4. September 2026, 16:26 by balpha
This was fun, thanks for constructing and sharing!

Difficulty:2
Rating:88 %
Solved:21 times
Observed:0 times
ID:000UOX

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Solution code:

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