1-8
: 1M casts to 2nd place as 2L casts up to 1st place & they turn 2H 1.1/2
  times to opposite sides
9-16
: 1L casts down as 2M casts up & they turn 2H 1.1/2 times to opposite
  sides to face their partners
17-24
: 2s+1s dance RH across & L H across back to places
25-32
: 2s+1s set twice & cross RH