1-8
: 1st&2nd cpls dance the tourbillon.  2nd cpl face out
9-24
: four 1/2 R3; 1C on side Rsh to 4th crn pos, across Lsh to 1st crn pos, on side Rsh to 2nd crn pos, across Lsh to 3rd crn pos back to 2nd plc own side 
25-28
: 1st&3rd cpls set, turn RH 3/4 to face prtn
29-36
: 1st&3rd cpls dance 1/2 Celtic reel
37-40
: 3rd&1st cpls turn RH 3/4 and all set