F67⁡(a,12⁢a+1,b,c,d,e,f12⁢a,a-b+1,a-c+1,a-d+1,a-e+1,a-f+1;1)=Γ⁡(a-d+1)⁢Γ⁡(a-e+1)⁢Γ⁡(a-f+1)⁢Γ⁡(a-d-e-f+1)Γ⁡(a+1)⁢Γ⁡(a-d-e+1)⁢Γ⁡(a-d-f+1)⁢Γ⁡(a-e-f+1)⁢F34⁡(a-b-c+1,d,e,fa-b+1,a-c+1,d+e+f-a;1),