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

1-8
: 1L followed by 1M casts behind 2L, across set, behind 2M & across to 2nd
  place own side **while** 4L followed by 4M dance similar to 3rd place
  (2s/3s step up/down 7-8). 1s face down, 4s face up
9-10
: All turn person facing 3/4 RH to form a cross
11-12
: 2M+1L+3L+3M in centre dance 1/2 LH across **while** partners chase
  clockwise 1 place round to face 'new partner'
13-14
: All turn 'new partner' RH once round
15-16
: Repeat 11-12
17-18
: All turn person facing 3/4 RH (1s & 4s are turning original partner)
19-20
: All circle 8H round to left 2 places to end 4 3 (2) (1)
21-22
: 4s+3s also 2s+1s circle 4H 1/2 round to left. (3) (4) 1 2. 3s face 4s,
  1s face 2s
23-24
: All set
25-30
: All dance 6 bars Grand Chain (1 bar/hand). 1 3 (2) (4)
31-32
: 1s+3s also 2s+4s change places RH on side to end 3 1 (4) (2)