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Printable Sudoku

When you start a game of Sudoku, some blocks will be pre-filled for you. You cannot change these numbers in the course of the game. Each column must contain all of the numbers 1 through 9 and no two numbers in the same column of a Sudoku puzzle can be the same. Each row must contain all of the numbers 1 through 9 and no two numbers in the same row of a Sudoku puzzle can be the same. Each block must contain all of the numbers 1 through 9 and no two numbers in the same block of a Sudoku puzzle can be the same.

Don"t lose your patience while solving these printable sudoku's!