1-8
: 1L+2L Adv+Ret, cross between partners & cast back to places
9-16
: 1M+2M repeat above Fig
17-24
: 1s lead down below 2s, cross RH, cast round 3s, cross LH & cast back to
  2nd place own sides
25-32
: 2s+1s+3s Adv+Ret, 1s turn 1st corners LH to end on opposite sides
  between corners
33-40
: 2s+1s+3s Adv+Ret, 1s turn 4th corner RH 1s end in 2nd place own sides
41-48
: 2s+1s+3s circle 6H round & back