Classic Sudoku Hard
Latest score list for #271dz
Latest score list for Classic Sudoku
How to play Classic Sudoku
Sudoku is a logic puzzle that is played on a 9x9 grid, divided into 9 smaller 3x3 grids. The goal of the game is to fill in the empty squares with the numbers 1 to 9, so that each row, column, and 3x3 grid contains each of the numbers exactly once.
Sudoku history
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The game of Sudoku is thought to have originated in 18th century Switzerland, where it was known as "Latin Squares."
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Sudoku became popular in Europe and the United States in the 19th century.
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In the 1970s, Sudoku was rediscovered in Japan and quickly became a global phenomenon.
Sudoku strategy
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There are many different strategies for solving Sudoku. One common strategy is to start with the numbers that are already given and use them to eliminate possible numbers from the other squares.
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Another strategy is to look for patterns in the numbers that are already given. For example, if a number appears only once in a row, then it must be the missing number in that square.
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Sudoku puzzles can be solved using a variety of tools, such as pencils and erasers, Sudoku grids, and online Sudoku solvers.
Sudoku benefits
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Sudoku is a fun and challenging game that can help improve your problem-solving skills and logical thinking.
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Sudoku has been shown to improve memory, concentration, and focus.
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Sudoku can also help reduce stress and anxiety.
