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        Hyper Cube =
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        This is a cube with 4 dimensions.
        It is contributed by SUPER DIMENSION FORTRESS.
        The exit is on the diagonal other vericle 
        of the hyper cube.
        You can crawl along the edges.
        You con go
       
 (DIR)  right
 (DIR)  up
 (DIR)  forward
 (DIR)  high
       
 (DIR)  back to the main hohle