1-8
: 1s turn RH, cast (2s step up); 1s turn LH 1.1/4 to face 1st corners
9-16
: 1s set to & turn corner RH; retain hands & join LH with partner to
  Bal-in-Line, 1s turn LH to face 2nd corners
17-24
: Repeat with 2nd corners, turning LH to end 1L between 2s facing down, 1M
  between 3s facing up
25-32
: All Set+Link for 3 couples; 1s turn RH to 2nd place own
  side **while** 2s & 3s set & cross RH with partner
33-40
: 2s+1s+3s circle 6H round & back