Sliding puzzle
01
スライディングパズル, 15パズル
a type of puzzle that consists of a rectangular board with movable tiles, and the objective is to rearrange the tiles by sliding them into an empty space to form a specific pattern or image
例
He used his lunch break to unwind by working on a sliding puzzle on his desk.
彼は昼休みを利用して、机の上のスライディングパズルに取り組んでリラックスしました。



























