1-8
: 1s+2s Set+Link, 2s+1s+3s set then 1s petronella turn to 1L between 2s
  & 1M between 3s
9-16
: All advance 1 step & retire twice, 1s turn 1.3/4 2H to end facing 1st
  corners
17-24
: 1s set to & turn 1st corner to face 2nd corner, set to & turn 2nd corner
25-32
: 1M circles 3H round with 2s as 1L circles with 3s & 1s end turning Right
  about to face each other, 1s set & turn 2H to 2nd places own side