1–
: 1c cross RH | cast off (2c up) ; ½ Fig8 up round 2c (2,1,3)
9–
: 2c+1W & 1M+3c RHA ; Lsh Snake Pass (unwind the RHA, 1c leading, pass other snake Lsh through 2plx and chase cclw) (3,1,2)
17–
: 3c+1M & 1W+2c LHA ; Rsh Snake Pass (unwind the LHA, 1c leading, pass other snake Rsh through 2plx and chase clw) (2,1,3)
25–
: circle6 L, pivot L ; chase cclw to (2,1,3)