1-
: 1c turn P RH ; 1c (1W leading) cast off | cross to 2plx (2c up) (2,1x,3)
9-
: All in lines 4 slip steps to R | 8 slip step to L | 4 slip step to R (2,1x,3)
17-
: 1c turn P LH ; 1c (1W leading) cast off | cross to 3pl (3c up) (2,3,1)
25-
:  All in lines 4 slip steps to L | 8 slip step to R | 4 slip step to L (2,3,1)