Logic Masters Deutschland e.V.

Why was 6 Afraid of 7?

(Published on 18. February 2026, 20:13 by Timpanist)

Thanks for playing! - Tim
  • Normal sudoku rules apply.
  • A cell with the digit 6 must never touch a cell with the digit 7, not even diagonally.
  • Each pair of cells directly connected by a blue line sums to 6 or 7.
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Solution code: Row 1, left to right


Solved by Dean, gdc, Siebuhh, sacredgrass, Harold, SKORP17, Mathemagier, Shuhua Milk, TheCutmaster, jguer, zuzanina, thomamas, sedici, anton_anton, Photyne, itsfysh, scarfdoku, No_Usernames__, Xerix, jordanza, Exigus, LenD, FlashZange, CarnacTheMagnificent
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Comments

yesterday, 03:34 by CarnacTheMagnificent
After reading the second rule, I just HAD to solve this puzzle. Tricky but doable. Thanks.

Difficulty:3
Rating:84 %
Solved:24 times
Observed:0 times
ID:000RIU

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