A library device includes: a housing having a substantially rectangular parallelepiped shape, the housing having a first surface and a second surface differing from each other; a first track that is provided within the housing, the first track extending along the first surface; a second track that is provided within the housing, the second track extending along the second surface, the second track being parallel with the first track; and an accessor device that includes a first portion engaging with the first track, and a second portion engaging with the second track.
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