Sudoku is a popular logic-based number puzzle that challenges players to fill a 9x9 grid with numbers from 1 to 9. Each number must appear exactly once in each row, column, and 3x3 subgrid, ensuring that no number repeats. The puzzle typically starts with some numbers already filled in, providing clues for the player to strategically deduce the placement of the remaining numbers. Originating from Japan, Sudoku has gained worldwide popularity due to its simplicity and the mental challenge it offers, making it a favorite pastime for puzzle enthusiasts. It not only provides entertainment but also helps improve problem-solving skills, concentration, and patience. Whether you're a beginner or an expert, Sudoku offers endless possibilities and difficulty levels to keep you engaged.
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