1-8
: All circle 6H round & back
9-16
: 1s set, cast 1 place (2s step up 3-4). 2s+1s+3s turn RH
17-24
: 2s+1s+3s Adv+Ret; 2s+1s+3s cross RH
25-32
: 2s+1s+3s Adv+Ret, 2s+1s+3s chase clockwise 1/2 way round. 3 1 2

{{explanation}}
Note: unusual progression.  Could "and set" have been forgotten in the original description for [23-24]?