Events, at 131 Å, with preexisting HFRs whose formations were not associated with confined flares (PRE). Top row: snapshots of HFRs observed a few minutes after their appearance. Bottom row: the flux ropes of the top row observed at a later stage. The images of the left- and right-hand columns correspond to events 35 and 107 in Table 1, respectively. The arrows mark the HFRs. The field of view in each image is 300 × 300 arcsec².