Sudoku Four Levels of Difficulty Book 22

S$ 5.90
  • number placement puzzle
  • 4 levels of difficulty
  • solutions at the back
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This book will appeal to all puzzle lovers! Sudoku is a number placement puzzle and it can be solved with reasoning and simple logic. 

Each puzzle has a 9x9 grid, divided into 3x3 mini grids, with some numbers already given. Fill in the missing numbers in such a way that every row, column, and 3x3 box contains the digits 1-9, each number only appearing once. 

There are 4 levels of puzzle in this book; easy, medium, hard and very hard.

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