1–
: 1c+2c the Tourbillon, but 1c end facing 1st corners. (Tourbillon: 1c+2c turn P BH ½, opening out to one place clw in the square (1c to W side, 2c to M side) | 1c set to 2c ; repeat figure (to 2x,1x) | 2c+1c cross RH (to 2,1))
9–
: Turn CPCP (to 2,1,3)
17–
: 2c+1c+3c Bubble Up: (i.e. 2c (in top place) cast off 2 places **while**{2} 1c+3c ½ RH turn moving up one place {2}, repeat from new places 3 times (end: 1x,3x,2)
25–
: 1c+3c S&Link **while**{4} 2c set and cross RH ; 3c+1c+2c set | 3c+1c+2c half circle6 L (to 2,1,3)