1-8
: 1s pass RSh & lead down LH for 4 bars (2s step up 3-4); 1s lead up (2
  bars) & turn LH to end between 3s (1M facing 3L, 1L facing 3M)
9-16
: 1s+3s dance RSH reel of 4 across. 1s end facing 1st corners
17-32
: 1s dance Corner Chain with 1st & 2nd corners:

: 1s change pl RH with 1st crnrs, 1st crnrs turn LH in centre & return to
  places giving RH to 1s who turn LH in centre to face 2nd crnrs

: 1s change places RH with 2nd crnrs, 2nd crnrs turn LH in centre & return
  to places giving RH to 1s & 1s end turning LH back to places. 2 1 3