1-8
1c & 3c cast off (2c & 4c up) | turn P RH | 1c cast off to 4pl while{2} 3c lead up to 2pl (2,3,4,1)
9-16
2c & 4c repeat same pattern [1-8]. All face on sides as for a Reel4 (3,4,1,2)
17-24
3c+4c & 1c+2c set advancing passing LSh (to 4,3,2,1) | 3c+2c set advancing passing LSh while{2} 4c & 1c set and face in (to 4,2,3,1) ; 4c+2c & 3c+1c RHA (4,2,3,1)
25-32
4c cross RH | cast off (2c up) ; repeat [25-28] (3c up) (2,3,4,1)
33-40
Circle8 L {3}, cross R foot over and pivot L ; chase cclw (2,3,4,1)