1–
: *Pinwheel progression* : 1M+2W dance BtoB **while{4}** 1W+2M chase one place clw | advance to P **as** P retire into 1diag, 1W+2M LSh to LSh, NHJ with P all facing cclw ; all dance to midline. 2c face Mside, 1c face Wside | all dance to progressed places,  2M & 1W by curling and 1M & 2W by casting (2,1,3)
9–
: All set | Petronella turn ; repeat (2x,1x,3x)
17–
: All chase clw ½ ; turn P RH (3,1,2)
25–
: Circle6 and back (3,1,2)