{{explanation}}
C face C Round the Room

1–
: L-Chain, finish in promhold facing other C
9–
: Promenade in cclw loop round opposite C and the C behind them
17–
: Both W set advancing, acknowledge, and cast R to places ; both M repeat
25–
: Progressive R&L (polite turn only on [32]: pass person opposite RH | pass P LH ; repeat with next C