{{explanation}}
2 chords - 3s & 4s cross to opp sides on 2nd chord

1-8
: 1s & 4s set to partners, turn 2H, 1L followed by partner casts behind 2L
  & dances round other couple LSh to face 3L **while** 4L followed by
  partner casts up behind 3L, round other couple to face 2L
9-16
: 4s+2L also 1s+3L dance RH & LH across 2M/3M, 4s end facing up in 2nd
  place, 1s facing down in 3rd place & 2M & 3M face out
17-20
: 4s & 1s dance out ends & cast to 2nd/3rd pl **while** 2s & 3s dance
  down/up sides 1 place then dance in & 2s dance up to 1st place, 3s
  down to 4th place
21-24
: 4s+1s circle 4H round to left
25-32
: All circle left for 2 steps, set, drop hands & dance 1 more step to left
  & cast back anticlockwise to places.  2 4 (1)(3)