1-8
: 1s set, dance in & cast to 2nd place, set to each other **while**
  advancing to 1st corners
9-16
: 1s dance 1/2 reel of 4 with 1st corners, pass by RSh to dance 1/2 reel
  with 2nd corners. 1s end in centre BtoB, 1M facing up, 1L facing down
17-24
: 3s+1s+2s dance Double Triangles facing up & down, 1s ending in 2nd place
  on own sides
25-32
: 1s dance Diag R&L