1-4
: 1s turn RH **while {4}** 2s turn LH
5-8
: 1s turn LH **while {4}** 2s turn RH. 1s+2s finish in the centre whit men back to back
9-16
: 1s+2s reel of four
17-20
: 1s+2s set and petronella turn (1x2)
21-24
: 1s half figure of  eight around 2s (12)
25-28
: 2s half figure of  eight around 1s (12x)
29-32
: 2s cross RH and cast up. 2S down on 31-32 (21)