1-8
: 1L+3M set, cast 2 places (1L down, 3M up); 1L+3M cross RH back to
  original places
9-16
: 1M+3L repeat, crossing LH to place to finish facing down/up
17-24
: 2L+1s & 2M+3s dance RH across, 2s face 1st corners; 2s+1st corners dance
  1/2 RSh diag reel of 4, 2s pass RSh into ...
25-32
: 2M+1L+3L (at top) & 2L+1M+3M (at bottom) dance RH across, 2s end facing
  2nd corners; 2s+2nd corners dance 1/2 diag reel of 4. 2s end 2nd place
  opp sides. (3) (2) (1)
33-40
: 3s (at top) set, cross RH **while** 2s+1s dance 1/2 R&L; 3s turn RH. End
  3 1 2

{{explanation}}
Note: If danced as 4C set (J8x40,) at end of 2nd turn 1s+2s cross RH with partner, turn person on side LH once round & all 3 couples turn RH