HOW TO PLAY SUDOKU
The goal is to complete the 81 cases with numbers ranging from 1 to 9 always ensuring that a same number appears only once per column, one time per line, and only once per square of nine cases.
Rules of Chinese Sudoku
The rules are the same as the classic game but is played with Chinese Characters.
Using the software
1 / Choose below the grid, the character you want to place on the grid.
2 / Click in the box where you want to put it.
You can delete a character in a box with a double-click.