Rey's Puzzles

Difficulties are marked according to the Logic Masters Germany scale. These are just my best guesses, so please let me know if you have a different opinion!

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6x6 Irregular Equations #

Published on May 21, 2026.

Difficulty: 1

Tags: Sudoku, Equations, Irregular

Choose and place 6 distinct digits from 1-9 in each cell such that no row, column, and indicated region has two copies of any digit. Additionally, the digits must fulfill the indicated equations.

Image of '6x6 Irregular Equations' puzzle

CTC

Penpa