1-8
: 1M+2L+3M+4L advance into centre on diagonal (2 PdeB), join hands &
  set; 1M+2L also 3M+4L turn RH to finish facing partners on diagonal
9-16
: 1s+2s also 3s+4s dance diagonal reels of 4 ending in original places
17-24
: 1L+2M+3L+4M advance into centre on diagonal (2 PdeB), join hands &
  set; 1L+2M also 3L+4M Tulloch turn to right (or turn RH)
25-32
: 1L+2M also 3L+4M Tulloch turn to left (or turn LH); 1L+2M also 3L+4M set
  to each other & retire (2 PdeB) to place
33-40
: 1s+2s also 3s+4s circle 4H round & back
41-48
: 2L+3L+4L also 2M+3M+4M make arches, 1s cross down, dance out
  between 2s/3s & beween 3s/4s & cross to 4th place own side (2s+3s+4s
  step up 47-48).  2 3 4 1