Shifting puzzle --- Introduction ---

Shifting puzzle is an online jigsaw puzzle game, where the pieces can only be shifted vertically or horizontally, column by column or row by row. It is however guaranteed that the solution exists in all the cases presented to you.

Few mathematical knowledge is necessary in order to play Shifting puzzle. On the contrary, you can take a look on the exercise-game Q-Puzzle to see how a jigsaw puzzle can require fairly deep mathematical concepts.

Choose the number of pieces you like:  
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