1-8
: 1s followed by 2s lead down & 2s followed by 1s lead back up. 2s end
  in 1st place, 1s in centre facing up
9-16
: 1L crosses in front of 1M, followed by 1M casts round 2M & across set,
  casts down round 3L & up middle to end 1L between 2s facing down, 1M
  between 3s facing up
17-24
: All circle 6H round & back, ending in line across again
25-32
: All Adv+Ret; 1s pull back RSh & cast to 2nd place own sides & 2s+1s+3s
  set