1-8
: 1M casts 1 place & 1/2 turns 3L RH as 1L crosses to opp side, casts 1 pl
  & joins (in front of ptnr) for 3H across to end 1s in 2nd pl own sides
9-16
: 1L casts up & 1/2 turns 2M LH as 1M crosses to opp side, casts up &
  joins (in front of ptnr) for LH across to end 1s facing 2nd corners
17-24
: 1s set to & turn 2nd corners ending in 2nd place, 2s+1s+3s set & turn 2H
  all ending on own sides
25-32
: 2s+1s+3s circle 6H round & back