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Four different frames of Movie S1 are displayed. (A–D) The real-space images and (E–H) the corresponding FTs: (A and E) 0 s, (B and F) 4 s, (C and G) 12 s, and (D and H) 32 s. Fluctuations of the skyrmion lattice and formation of domains with different orientations as a function of time are evidenced by the splitting and unsplitting of the Bragg peaks and their continuous change of position.
