%&A Sudoku Puzzle*250 Challenging Puzzles With*answers*book51 Vol.51&% : %&A
13,74 €
SUDOKU basics: SUDOKU PUZZLE are made up of rows columns and boxes which all contain nine cells and contain the numbers 1 to 9 only used once. There have been a number of works in recent years that have focused on solving hard Sudoku puzzles.
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