G := sub; involutions := [ [ G!(1, 2)(3, 14)(5, 11)(6, 10)(7, 13)(8, 9), G!(1, 8)(2, 11)(4, 7)(6, 10)(9, 14)(12, 13), G!(1, 8)(3, 6)(4, 11)(5, 10)(7, 13)(12, 14) ] ]; geometries := [* *]; for i in [1..#involutions] do G1 := sub; G2 := sub; G3 := sub; Append(~geometries,CosetGeometry(G,{G1,G2,G3})); end for;