{{explanation}}
Round the Room 3 facing 3

1-8
: All set & change places RH with opposite person to face next trio, all
  dance DoSiDo with opposite person
9-16
: 1M+2M set & petronella turn, set & turn RH to face 1st corner
17-24
: 1M+2M turn 1st corners LH & turn RH to face 2nd corner, turn 2nd corner
  LH & turn RH to end between own partners (facing out)
25-32
: 1M & 2M dance RSh reels of 3 with partners