First figure:
A: Sides face, heads lead in: Grand Square (one way only).
B1: Heads lead in a double; cast back to place (men L, women R). Men cross L; women cross R, to opposite place.
B2: Sides the same.
B3/4: All that again, to place.
Second figure:
A: Grand Square.
B1: Heads lead in; change hands with partner to form back ring. Go half-way round to right; lead out to opposite place.
B2: Sides the same.
B3/4: All that again, to place.
Third figure:
A: Grand Square.
B1: Heads lead in; face partner, step R and honour. Face opposite: two changes with hands, into opposite place.
B2: Sides the same.
B3/4: All that again, but honour opposite then face partner.
This is Cecil Sharp's version except the first figure. See notes at https://colinhume.com/deconnec