Sudoku 16 x 16 Level 4: Super Hard! Vol. 5: Play 16x16 Grid Sudoku Super Hard Level Volumes 1-40 Solve Number Puzzles Become A Sudoku Expert On The Road Fun Activity Paper

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Let's Play Sudoku on a 16 x 16 grid! This logic based combinatorial number puzzle game is super fun, kills boredom, great for taking on the go when you travel by road, plane or train! Help your brain get smarter with this paper based puzzle. Comes in 5 levels: Level 1: Super Easy Vol. 1 - 40, Level 2: Easy Vol. 1 - 40, Level 3: Medium Hard Vol. 1 - 40, Level 4: Super Hard Vol. 1 - 40, Level 5: Ext