1-8
: All Adv+Ret, 1s slip step to bottom
9-16
: All Adv+Ret, 2s slip step to bottom
17-24
: 3s+4s also 1s+2s circle 4H round & back **while** 5s+6s dance RH across
  & LH back (ie OXO)
25-32
: 2s slip step to top & all turn RH