| 摘要 |
A two dimensional puzzle is disclosed which includes a plurality of interlocking movable pieces carrying indicia and disposed on a planar board. The pieces remain interlocked while being moved independently in at least two directions across the board. The arrangement is such that the pieces can be moved only in sets including a predetermined number of pieces. By successive movements of different sets of pieces any single piece of any set can be positioned at any point on the board. By moving one piece of a set into position other pieces in the set will be moved out of position so as to impart puzzle characteristics to the invention. The puzzle is solved by moving the pieces across the board to satisfy predetermined indicia patterns.
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