sudoku 数独游戏 classic game

A digital puzzle game with decades of history, meet your logic challenges, experience the charm of numbers!
Play good sudoku first to understand its characteristics, requirements, and then to use some principles and skills, benefits send:

1. Fill in the row or column where the number can be determined using the elimination method

2. Fill in the row or column with the least space first

3. After you have filled in the rows and columns that can be determined and have the least amount of space, repeat the first two rules to fill in the blanks.