Logic Masters Deutschland e.V.

Sixes and Sevens

(Published on 30. March 2026, 21:33 by billybeth)

Normal Sudoku rules apply

Cells separated by VI sum to six, by VII to seven and by X to ten. All VI, VII and X s are given

Solve online:Sudokupad

Solution code: top row

Last changed on on 30. March 2026, 22:56

Solved by AN_not_IO, L00ping007, wjdrumm, Mathemagier, sujoyku, SKORP17, hardline35, metacom, protheph, chocobonight, noodlehead, forsen, marajade, anton_anton, cmigas, Chefofdeath, TeddieMilo, RussKozerski, ... ebulku, RickiFerrara, Godlord2, lordtom, kross, brizzleygare, EnotiAndy, Kekes, Roberto, Leaving Leaves, drifting, withoutpc, dielilla, dittberner, bluebird, Photyne, drinfernus, phs, Wunderwald
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Comments

on 1. April 2026, 23:23 by SquareCat
Really fun puzzle, Thanks!

on 1. April 2026, 06:23 by josemadre
6 7
¯_(ツ)_/¯

on 31. March 2026, 21:28 by SanFranSam
Once you figure out the break it it solves pretty quickly. I thought i was going spend and hour on it and then give up. But i got lucky on finding the break in. so... ;0

on 31. March 2026, 11:32 by WasabiKoala
Fun puzzle, really enjoyable!

on 31. March 2026, 09:07 by xiaoji
This puzzle can be solved without using the negative constraint.

on 30. March 2026, 22:57 by billybeth
updated link

on 30. March 2026, 22:46 by billybeth
corrected link

Difficulty:1
Rating:85 %
Solved:130 times
Observed:1 times
ID:000S3T

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Solution code:

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