{{explanation}}
3s & 4s start on opp sides

1-8
: 1s & 4s turn RH, cast in 1 place & turn LH 1.1/2 times to end between
  2s/3s (Man facing Lady)
9-16
: 1s+2s also 4s+3s dance RSh reel of 4 across
17-24
: 1s & 4s turn corners RH, 1s+4s dance LH across 1/2 way to face other
  corner, turn corners RH & turn partner LH to end between 2s/3s
25-32
: 4s+2s also 1s+3s dance RSh reels of 4 across
33-40
: 1s & 4s dance out ends, cross, cast & turn partners RH