1–
: 1c cross RH | cast off (2c up) ; cross RH | cast R into facing lines across (1M above, 1W below)
9–
: All A&R {1+1 step} | cross up/down RH ; repeat, at end all face P
17–
: 1C cross up/down RH | cast R to 2pl ; turn RH
25–
: All circle6 and back (2,1,3)