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Fig. 4.

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AIA observations in 171 Å and 94 Å of the small-scale AR with the main loops a, b, c, and A-B. White circles indicate the foot points of the overlaying M and L loops (Fig. 2). Enhancements of intensities are marked with red dots and white boxes. These highlight foot points and loop-tops of the suddenly changing loops. Red arrows show the orientation of the loops based on the polarity of their foot points (HMI data, Fig. 2). The associated movie is available online.

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