{{explanation}}
16 couples, W on R, form square; 4 couples to each side (2 inner and 1 at each corner), all face in.  
Part A

1–
: All Circle32 and back
9–
: 4 couples at each cnr join NH into big star RHA with W in the centre & LHA back with M in centre, finish in 4 small squares facing P
17–
: All set twice to P ; turn P BH
25–40
: Gr-Chains in each small square, 2 bars/hand & all end on sides of big square

{{explanation}}
Part B

1–
: All four 1Ws (W from side 1) set adv, continue setting in centre (any steps) & end facing P **while{8}** others Circle28 and back
9–
: All 1Ws set to and turn P as opposite M adv to centre ; 1Ws set to and turn opposite M
17–
: All 1Ws Reels3 with P & opp M, all M end in own position
25–
: All 1Ws set NHJ wheeling round to face next side clw **while{8}** others Circle28 and back
33–48
: All 1Ws repeat [9–24] with M from sides 2 & 4, all end in own position

{{explanation}}
Repeat part B with successively four 2Ws, 3Ws, 4Ws; four 1Ms, 2Ms, 3Ms, 4Ms in centre.

{{explanation}}
Repeat part A  
NB other variations are possible