Rule of Sudoku
(1)Each row must have the numbers 1-9 occuring just once.
(2)Each column must have the numbers 1-9 occuring just once.
(3)And the numbers 1-9 must occur just once in each of the 9 sub-boxes(3x3) of the grid.
(1)Each row must have the numbers 1-9 occuring just once.
(2)Each column must have the numbers 1-9 occuring just once.
(3)And the numbers 1-9 must occur just once in each of the 9 sub-boxes(3x3) of the grid.
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