Description

This classic Sudoku is to fill a 9x9 grid with numbers so that each row, column and each 3x3 small nine grid section contains numbers between 1 and 9.
This Sudoku is divided into 3 difficulty, you can freely choose the difficulty of the Sudoku puzzle. At the beginning, there will be some squares filled with numbers in the 9x9 grid.
What you have to do is apply logic to fill in the missing numbers and complete the grid. As a number puzzle product, Sudoku does not require you to have calculation and special math skills.
Although the gameplay is simple, the number arrangement is ever-changing, and you will never get tired of playing. Improve concentration and intelligence!

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