To printable sudoku
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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 digits 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 digits 1 through 9 and no two digits in the same block of a Sudoku puzzle can be the same.

Hints to solution of the printable sudoku N 6

Try to fill the cell h9, a2, e8, b3, f7, d7, c5, c8, f6, h6, d5, e5, e2, g4, i5, f1, i3, d9.

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