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Mega Sudoku X - 400 Easy to Master Puzzles 16x16 Vol.8 by David Smith

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Quick Thinking, PDF, Crossword

9+ Sudoku Variations & 5+ Sudoku-Like Puzzles & Games

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FREE Printable Sudoku Puzzles

The puzzle a 16 x 16 grid made up of 4 x 4 subgrids (called regions). Some cells already contain numbers, known as givens. The goal is to fill in

Mega Sudoku 16x16: Mega Sudoku 16x16 - 200 Normal to Hard Puzzles vol.6 (Series #6) (Paperback)

English Sudoku - Sudoku Game Online

logical deduction - Boulders in Valleys - Puzzling Stack Exchange