Logic Masters Deutschland e.V.

Roman Entropic Loop

(Published on 4. October 2025, 01:02 by yttrio)

Rules:

Normal Sudoku rules apply.

Draw a one-cell-wide loop of orthogonally connected cells. The loop may not touch itself, not even diagonally.

The loop acts as an entropic line. Each set of three adjacent digits along the loop must be one low [123], one medium [456], and one high digit [789].

XV: Digits separated by an X must sum to 10. Digits separated by a V must sum to 5. Not all possible Xs and Vs are necessarily given.

For each X and V, at least one of the digits touching the X or V must be on the loop.

The given less-than sign points towards the lower of two neighboring digits.




SudokuPad


Solution code: Digits on the loop in row 8 (left to right) followed by digits on the loop in column 8 (top to bottom)


Solved by gxorgx, rameshsrivats, maniacaljackal, Glasgow, robokong, flyjim, Azumagao, Calesch, bansalsaab, deltameth, tuturitu, giladooshlon, cmigas, Elliott810, Christounet, MartinR, jordanza, SimiC, Luaryo, ... goldpuffle, TripleM, Stargazing Albatross, Tacocat, Gowgon, Franjo, salsais, Qodec, Astraeus, tgstar, Doc Liu, little_arturo, Floorball36, Shmartus, trashghost, Tompzini, Voidslime, PippoForte
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Comments

on 6. October 2025, 19:41 by Franjo
Amazing! My favorite clue was the X in the lower right… Thank you very much for creating and sharing another beautiful loop-puzzle.

on 4. October 2025, 21:22 by Calvinball
Found this one to be fairly approachable and lots of fun, very nice combo wombo.

on 4. October 2025, 13:57 by Exigus
Beautiful and a lot of fun. Thanks!

on 4. October 2025, 12:18 by Snookerfan
Another great loop puzzle from the master, thank you!

on 4. October 2025, 02:03 by rameshsrivats
Fun puzzle

Difficulty:3
Rating:97 %
Solved:67 times
Observed:0 times
ID:000PHL

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Solution code:

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