Movie S4.

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Orientation of simulated spindles in the cells with unilateral adhesion and various aspect ratios of the stadium shape. The stadium-shaped cells have the unilateral adhesion (red marked) whose parameters are k=11 and that L increases with the aspect ratio, and the aspect ratio is given as λ=1, 1.2, 1.5, or 2. In these cases, the stable spindle orientation transits from the perpendicular to the parallel direction to the adhesion region with the increase of the cell aspect ratio.