1-4
: 1M+3L change places RH, dance through each other's place & turn 2s (on
  sides) LH to form diag line with 3L & 1M in centre RH joined
5-8
: Bal-in-Line & turn 2s back to side lines
9-16
: 1L+3M repeat except that they cross LH & turn RH on sides (3) 2 (1)
17-24
: 2s pass LSh to dance 1/2 diag reel of 4 with 1M & 3L; 2s turn 1.1/4 LH
  to 2nd corner diagonal, 2M facing 3M, 2L facing 1L
25-32
: 2s dance 1/2 diagonal reel of 4 with 3M & 1L; 2s turn LH 1.1/2 times
  into Allemande hold facing up, 1s dancing in Bar 32 ready for ...
33-40
: 1s+2s dance Allemande