{{explanation}}
1s start on opp sides

1-8
: 1M turns 2L RH 1.1/2 times on side, 1L turns2M LH 1.3/4 times on side
  (1s end BtoB in centre facing 2s)
9-16
: 2s+1s dance reel of 4 across
17-24
: 1M+2L set & 3/4 turn RH **while** 1L+2M set & 3/4 turn LH (1s end in 2nd
  place opposite sides), 1s turn 2H
25-32
: 2s+1s circle 4H round to left 1/2 way then 1/2 R&L