1-8
: 1s+2s Set+Link, 1s turn 2H 1.1/2 times to face 1st corners
9-24
: 1s dance Corner Chain with 1st & 2nd corners :

: 1s change pl RH with 1st crnrs, 1st crnrs turn LH in centre & return to
  places giving RH to 1s who turn LH in centre to face 2nd crnrs

: 1s change places RH with 2nd crnrs, 2nd crnrs turn LH in centre & return
  to places giving RH to 1s & 1s end turning LH to end 1M between 2s
  facing down & 1L between 3s facing up
25-32
: All 3 couples Adv+Ret 2 steps & 1s turn 2H to 2nd place on own sides