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Curious Cheetah

Chain Sudoku

Background

The name "Strimko" is trademarked by the Grabarchuk family, who claims to have developed this sudoku variant.

Puzzle and Goal

An unsolved puzzle consists of a square grid. The cells are further interconnected into groups, such that there are <em>n</em> groups ("chains") of <em>n</em> cells each. Some of the cells have been filled in.
The goal is to fill in all the cells so as to create a Latin Square.

Rules

The solved grid must satisfy the following conditions:

Other Names

Strimko