1-8
: 1s set & cast 1 place, set on side lines to 1st corners & change places
  with them RH
9-16
: 1L+3L also 2M+1M set to each other on sides & change places LH, 1s turn
  RH 1.1/2 times to 2nd place on own sides
17-24
: 1s set on side lines to 2nd corners & change places with them RH, 1M+3M
  also 2L+1L set to each other on sides & change places LH
25-32
: 3s+1s+2s Adv+Ret, circle 6H round 1/2 way to left