1–
: 1c lead down the middle (2c up on [3–4]), on [4] 1c change side while facing down, 1W passing below P under their joined R arms as 1c turn inwards ; 1c lead up on opposite side to (2,1x,3) 
9–
: 2c+1c R&L, to face 1cnr
17–
: 1c turn corner, P, corner, P
25–
: 2c+1c circle4 and back (2,1,3)