1-8
: 1s+2s set, 1L followed by 1M casts, crosses up between 2s, casts
  round 2M into 2nd place own sides (2s step up 7-8)  2 1 3
9-16
: 1s+3s set, 1M followed by 1L casts, crosses up between 3s, cast round 3L
  into 3rd place own sides (3s step up 15-16)  2 3 1
17-24
: 1M followed by 1L casts up behind 3M and into 1st place opp.
  sides **while** 2L followed by 2M casts behind 3L and into 3rd place
  opp. sides.  1s+3s+2s circle 6H round to left (1) 3 (2)
25-32
: 1s+2s repeat bars 17-24 in opposite direction  2 3 1