Proven Arrow Sudoku (Proven Puzzles)

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Proven Arrow Sudoku

Edition Description

Arrow sudoku adds arithmetic and spatial reasoning to the ordinary sudoku grid in a single elegant rule: each arrow in the puzzle consists of a circle and a directed path of cells, and the digit in the circle equals the sum of the digits along the arrow. From that one rule an...

Edition Details

Format:Paperback

Language:English

ISBN:1608888010

Format: Paperback

Condition:

14.65

Quantity:

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Proven Arrow Sudoku

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