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Sudoku Variants: 100 Sudoku Stress Relief Puzzles
Sudoku Variants: 100 Sudoku Stress Relief Puzzles
Current price: $10.24
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Size: OS
(also known as "Strimko") consists of a group of circles arranged in a square grid and containing given clues in various places. The object is to fill all empty circles so that the digits appear exactly once in each row, column and chain.