Also known as 'sudoku with letters or words', the objective of Wordoku puzzle is to fill a 9 9 grid with letters in such a way that each column, each row and each of the nine 3 3 grids that make up the larger 9 9 grid contains all of the letters from A to I. Each Wordoku puzzle begins with some cells filled in. The player uses these seed letters as a launching point toward finding the unique solution. It is important to stress the fact that no letter from A to I can be repeated in any row or column (although, they can be repeated along the diagonals).
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