1–
: Circle8 & back
9–
: 1c set | cross RH ; set | 1W sets adv to midline **while{2}** 1M petronellas. 1c both face down, 1M above 1W
17–20
: 1M sets **while{2}** 1W+2c &frac12; RHA |
  1M+2c &frac12; RHA **while{2}** 1W+3c &frac12; LHA
21–24
: 1M+3c &frac12; LHA **while{2}** 1W+4c &frac12; RHA & 1W faces up |
  1M+4c &frac12; RHA & 1M turns about to face down **while{2}** 1W sets.  
  *In [17-24] 2c, 3c & 4c retain hands during RHA/LHA & move up one place*
25–
: 1c set | petronella to 4pl ; all turn P RH (2,3,4,1)