1-8
: 1s cast 1 place to face 1st corners, turn corners RH into line up/down
  middle (1s BtoB with 1L facing up, 1M facing down)
9-16
: 1s+1st corners dance reel of 4 up/down middle, corners ending in
  original places, 1s BtoB 1L facing up & 1M facing down
17-24
: 1s dance RSh round 4th corners & in (1s pass RSh) to face own 2nd
  corner, turn corners RH into line across in 2nd place (1s BtoB facing
  opp sides)
25-32
: 1s+2nd corners dance reel of 4 across, corners ending in original places
  & 1s dancing RSh round each other to 2nd place own sides