1–
: 1c cast off behind own lines and cast back
9–
: 1W+2M set and change places RH **while**{4} 1M+2W change places RH and set ; repeat
17–
: 1c lead down the middle | turn RH ; lead up and cast off to 2pl (2c up)
25–
: 2c+1c set | turn BH ; open into circle4 L.