1-8
: 1L sets to 2M & turns 3M RH to end between 2M+3M, 1M sets to 2L &
  turns 3L RH ending between 3s in line across as 1L steps in between 2s
9-16
: 2s+1s+3s set twice 1s turning to right onto opposite sides, set twice on
  sides & 1s end facing 1st corners
17-24
: 1s set & turn 1st corners, set & turn 2nd corners (1s end in 2nd places
  opposite sides)
25-32
: 2s+1s+3s Adv+Ret, 1s turn 2H 1.1/2 times