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One of the many variations of Sudoku is the Swordfish Sudoku, which adds an extra layer of challenge to the game. validate sudoku leetcodesudoku swordfish explained However, in Medusa Technique Sudoku, each row, column, and subgrid has a unique "Medusa" pattern that needs to be followed. You can access a wide range of Sudoku puzzles for free, allowing you to play as much as you want without any financial constraints. ai sudoku solver
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