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

1-4
: 1s+2s & 3s+4s circle 4H round to left to end with 1s+3s facing down,
  2s+4s facing up NHJ with partner
5-8
: All set, 1s & 4s turning inwards to face up/down, 1s cast to 2nd place,
  2s dance up & cast into 1st place, 4s cast up to 3rd place, 3s dance
  down & cast into 4th place
9-16
: 1s+4s dance 1/2 Ladies' Chain & face partners; 1s+4s dance 1/2 Men's
  Chain
17-24
: All set on sides, 2s+4s & 1s+3s dance RH across, all set on sides
25-32
: 2s+4s+1s+3s dance RSh reels of 4 on sides. 2 4 (1) (3)