1–
: 1c set | turn 1&frac12; RH {4} | cast off on opp side (2,1x,3)
9–
: Repeat turning LH & cast off on own side (2,3,1)
17–
: 1c set | lead up to top ; cast off & cross LH to 1cnrs
25–
: Turn CPCP (2,1,3)