Sliding Block Puzzles

Drag a block to slide it into an empty space, shown in white. Each puzzle has its own objective (for example, moving a block to a specified position or joining pieces with matching colors). The Demonstration indicates when you have solved the puzzle.
Ten of the puzzles are classics selected from Hordern's Sliding Piece Puzzles [1] (which also contains their optimal solutions), and the remainder were designed especially for this Demonstration.


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[1] E. Hordern, Sliding Piece Puzzles, New York: Oxford University Press, 1986.
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