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conceptis sudoku by dave green solutions

Conceptis ナンプレ (Sudoku for English ver.) 1~9をタテヨコ、Boxに入れます。バラエティナンプレもけっこう面白い!

Tutorial #50 Solving a hard puzzle from the beginning to the end http://www.sudokuguy.com A fun, step-by-step video on how to solve a sudoku puzzle from the beginning to the end.

Master The Basics Of Advanced Sudoku Solving You can try the puzzle featured