1–
: 1c+2c S&Link ; 1c+3c S&Link. (to 2,3,1)
9–
: 2c+3c+1c advance {1}and retire {1} | turn BH ½ and remain in the middle: All set to P | All swivel R to dance out to opposite sides (2x,3x,1x), ready for
17–
: Two hands of G-Chain (2c cross to start) to (1x,2,3) ; 1c+2c S&Link, 1c finish BtoB in the middle facing opposite side as for DTr (no hands).
25–
: All advance (1c to sideline, 2c+3c meet P) {1}, retire {1} | all advance and swivel R (1c to 2plx, 2c+3c into BtoB in the middle) ; All A{1} & R{1} again | 1c cross RH **while**{2} 2c+3c advance to sideline and swivel R (2,1,3).

{{explanation}}
note: For [25–28] the original texts say no hands, and pass; in the Book 23 version hands are often held, steps are very small