320 Medium Difficulty Sudokus with Solutions for adultsSudoku is a great game and hobby to relax and take your mind off things and also good to help improve memory, critical thinking, focus, logic and problem solving.This Sudoku puzzle book will bring lots of hours of fun and entertainment contains 320 puzzles with a single level of difficulty(medium), so there are no wasted puzzles. There are 4 puzzles...
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