| 摘要 |
A game puzzle comprises a holder and a plurality of manipulatable elements movable within the holder along a plurality of closed-loop paths, which paths intersect each other at a plurality of intersection points. The manipulatable elements fill the closed-loop paths and are constrained by the holder to move only along one path except at the intersection points, whereat the elements may be transferred from one path to the other. In one described embodiment, the manipulatable elements are buttons movable along two closed-loop paths; in a second described embodiment, they are balls rollable along two closed-loop paths; and in a third described embodiment, the elements are movable along three closed-loop paths.
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