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validate sudoku leetcode For instance, if a certain number is already present in a particular row or column, you can eliminate that number from the corresponding cells in the box. summer sudoku easy Each color represents a number, and you can use this to quickly identify which numbers are missing in a particular row, column, or box. validate sudoku leetcode It was created by Wayne Gould, who had already gained fame for creating the first-ever American version of Sudoku.
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