This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.
数独游戏规则：
小调皮需要在没有数字的格子内填入数字，
只能填入1至9中的数字，并且使得每行每
列和每个九宫格中没有重复的数字。
