How to play SUDOKU:

Fill in the game board so that the numbers 1 through 9 occur exactly once

in each row, column, and 3x3 box.

The numbers can appear in any order and diagonals are not considered.

Your initial game board will consist of several numbers that are already

placed. Those numbers cannot be changed. Your goal is to fill in the

empty squares following the simple rule above.

Happy puzzling!

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