1–
: 1M casts off **while{4}** 2W casts up ; they turn BH 1½ to exchanged places
9–
: 1W casts off **while{4}** 2M casts up ; they turn BH 1½ to exchanged places
17–
: 2c+1c RHA ; LHA
25–
: 2c+1c set twice ; cross RH