ϕ56⁡(a,q⁢a12,-q⁢a12,b,c,da12,-a12,a⁢q/b,a⁢q/c,a⁢q/d;q,a⁢qb⁢c⁢d)=(a⁢q,a⁢q/(b⁢c),a⁢q/(b⁢d),a⁢q/(c⁢d);q)∞(a⁢q/b,a⁢q/c,a⁢q/d,a⁢q/(b⁢c⁢d);q)∞,