Logic Masters Deutschland e.V.

VI Chains

(Eingestellt am 15. Februar 2022, 05:00 Uhr von wooferzfg)

This puzzle was created by Jakhob and wooferzfg. It is the third puzzle in the uN-Chained Puzzle Pack, which focuses on a Sudoku variant called N-Chains.


An N-Chain is a set of N cells in a row or column that point to each other in a path to form a cycle. Here is an example of a 5-Chain in a row:

The 7 points to column 7, which has a 4.
The 4 points to column 4, which has a 5.
The 5 points to column 5, which has a 3.
The 3 points to column 3, which has a 2.
The 2 points to column 2, which has a 7, completing the 5-Chain.

N-Chain Clues

A pair of colored boxes in a row or column indicates that there is an N-Chain that stays between the boxes and includes both boxes. The length of the N-Chain is given in the top left corners of the boxes. Blue boxes show N-Chains in rows, and red boxes show N-Chains in columns.

Here is a 6x6 example puzzle:

Play the Example on CTC

Play the Example on f-puzzles


Normal Sudoku and N-Chain rules apply.

Cells marked by a V must sum to 5. Cells marked by an X must sum to 10. Not all Xs and Vs are given.

Play on CTC

Play on f-puzzles

Lösungscode: Row 1 followed by Row 9

Zuletzt geändert am 25. Januar 2023, 16:08 Uhr

Gelöst von Jakhob, efnenu, nunc, Chelo, Crul, marcmees, kublai, SKORP17, cfop, thoughtbyte, Fratzel, kolot, SirSchmoopy, manushand, nmouzakitis, Godrick, awesomesauce, PatientMustard
Komplette Liste


am 15. Februar 2022, 13:44 Uhr von Chelo
Thank you again for this nice puzzle with these constraints!.. Waiting for you 4th one..

am 15. Februar 2022, 12:52 Uhr von nunc
This was satisfying. Not too hard, and always nicely flowing. Thanks a lot!

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