Hard Sudoku Puzzles Book is a brain challenging game to play during your free time, traveling or on the way home.
Feature:
Extremely Hard Sudoku Games at the 16x16 numbers to figure it outSolutions for checking the answerPrinted only 1 game per sheetAvailable room of space to write down the missing numbers that possible to put it in the gameLightweight at the pocket size (6x9 inch)Contains 20 Hard Level...
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