絵合わせパズル（スライドパズル）Japanese

This is a picture-matching (slide) puzzle, a type that was common in the past.

The rules are simple: Click on a piece around a black square, and

That piece will move to the position of the black square.

Repeat this process to complete the picture.

Once you complete the picture, you can view it in color in the gallery.

• 6 pictures

• 4x4 puzzle and 5x5 puzzle

• Gallery view

(The rules are the same as number puzzles (Sudoku).)