σ₀ = (1,2,3,4)(5,6), σ₁ = (1,6)(3,5,4,7), σ∞ = (1,5)(2,6,3)(4,7)
σ₀ = (1,2,3,4)(5,6), σ₁ = (2,6)(3,5,4,7), σ∞ = (1,5,2)(3,6)(4,7)
σ₀ = (1,2,3,4)(5,6), σ₁ = (1,3,6,7)(2,5), σ∞ = (1,4)(2,7,6)(3,5)
σ₀ = (1,2,3,4)(5,6), σ₁ = (1,3,7,6)(2,5), σ∞ = (1,4)(2,6)(3,5,7)