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–
: 2c+1W & 1M+3c RHA. 1c face 1cnrs ; ½ Reel4 on 1diag (3W,1M,3M on Mside, 2W,1W,2M on Wside)
17–
: 2W+3W+1M & 1W+3M+2M LHA. 1c face 2cnrs ; ½ Reel4 on 2diag, 1c LSh to 2cnrs into facing lines3 across (1M between 3c, 1W between 2c)
25–
: ½ diagonal R&L ; all chase cclw (to 2x,1x,3x) | cross LH (2,1,3)