1-
: 1c lead down below 3c, cross & cast up to 2plx ; 1c cross RH | cast R to 1M/1W between 2c/3c
9-
: 1c turn &frac34; LH | turn 1cnr &frac34; RH to lines across facing 4cnr with 1W+2M in promhold (1W on L) ; 1c loop LSh round 4cnrs to same pl, 1W releasing promhold **while{4}** 4cnrs pass 1c LSh into centre | turn LH to pl
17-
: Repeat 9–16 inverted with 2cnrs: 1c turn &frac34; RH | turn 2cnr &frac34; LH to lines across facing 3cnr with 3M+1W in promhold (1W on R) ; 1c loop RSh round 3cnrs to same pl, 1W releasing promhold **while{4}** 3cnrs pass 1c RSh into centre | turn RH to pl
25-
: All &frac12; chase clw ; 1c turn RH 1&frac14; **while{4}** cnrs continue chase to (2,1,3)