1–
: Circle8 and back.
9–
: 2c+3c ½RHA **while{2}** 1c&4c chase cclw to next corner position, centre couples change places LH with corners ; repeat from new positions (1c+4c ½ RHA _while{2}} 2c+3c chase, change places LH)
17–
: Repeat bars 9–16 from new positions to (4x,3x,2x,1x) with 3c+2c in the middle
25–
: 3c+2c ½ RHA into | turn P RH ½ to opposite side (4x,2x,3x,1x) ; 4c+2c & 3c+1c ½ R&L (to 2,4,1,3)