{{explanation}}
3s & 4s start on opp sides

1-8
: 1s & 4s turn RH, cast down/up (2s+3s step up/down bars 3-4); 1s+4s set,
  dance 1/2 RH across to face out and to right (1M+4L out/down on
  Ladies' side, 4M+1L out/up on Men's side)
9-16
: 4M+1L also 1M+4L dance alternating RSh tandem reels of 3 on sides (dance
  to Right to start)
17-24
: 1s+4s dance RH across & LH back, to face out and to left (1L+4M out/down
  on Men's side, 4L+1M out/up on Ladies' side)
25-32
: 1L+4M also 4L+1M dance alternating LSh tandem reels of 3 on sides (dance
  to Left to start). End 2 4 (1) (3)