Sudoku

Digital fill in the game

Sudoku gameplay skills:

1. Use the elimination method to fill in the rows or columns that can determine the number

2. Prioritize the rows or columns with the least space

3. After applying the above two principles to fill in the rows and columns that can be determined and have the least space, other rows or columns have figures that can be determined, and the first two principles should be used to fill in the blanks.