Instructions for solving a Sudoku puzzle: The objective of the game is to fill all the blank squares in a game with the correct numbers. There are three very simple constraints to follow. - Each row of 9 numbers must include all digits 1 through 9 in any order
- Each column of 9 numbers must include all digits 1 through 9 in any order
- Each 3 by 3 subsection of the 9 by 9 square must include all digits 1 through 9
 Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
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