PlayOnePage worksheet
迷宫挑战 036
从起点走到终点,不要穿过墙。
S
G
Trace a clean path from S to G without crossing any wall.
从起点走到终点,不要穿过墙。
从起点走到终点,不要穿过墙。
Trace a clean path from S to G without crossing any wall.