Sudoku Collection - Alena Gurin - Books -  - 9781691364329 - September 6, 2019
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Sudoku Collection

Kropki Sudoku is the variation of the original sudoku. If absolute difference between two digits in neighboring cells equals 1, then they are separated by a white dot. If the digit is a half of digit in the neighboring cell, then they are separated by black dot. The dot between 1 and 2 can be either white or black..

Media Books     Paperback Book   (Book with soft cover and glued back)
Released September 6, 2019
ISBN13 9781691364329
Pages 122
Dimensions 152 × 229 × 7 mm   ·   172 g
Language English  

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