g := PSL(2,17); invols := [ [g| (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 9)(2, 18)(4, 11)(5, 12)(6, 10)(7, 15)(8, 17)(14, 16) , (1, 11)(2, 12)(4, 17)(5, 6)(7, 8)(9, 14)(13, 15)(16, 18) ], [g| (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 9)(2, 18)(4, 11)(5, 12)(6, 10)(7, 15)(8, 17)(14, 16) , (2, 6)(3, 14)(4, 9)(5, 16)(7, 8)(10, 15)(11, 12)(13, 17) ], [g| (2, 4)(3, 13)(5, 14)(6, 8)(7, 15)(10, 17)(11, 18)(12, 16) , (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 9)(2, 18)(4, 11)(5, 12)(6, 10)(7, 15)(8, 17)(14, 16) ], [g| (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 15)(2, 3)(4, 17)(5, 10)(6, 7)(8, 12)(9, 16)(11, 18) , (1, 12)(2, 16)(3, 4)(5, 18)(6, 11)(7, 8)(9, 13)(10, 17) ], [g| (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 15)(2, 3)(4, 17)(5, 10)(6, 7)(8, 12)(9, 16)(11, 18) , (2, 6)(3, 14)(4, 9)(5, 16)(7, 8)(10, 15)(11, 12)(13, 17) ], [g| (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 15)(2, 3)(4, 17)(5, 10)(6, 7)(8, 12)(9, 16)(11, 18) , (1, 18)(3, 15)(4, 13)(5, 11)(7, 8)(9, 17)(10, 14)(12, 16) ], [g| (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 4)(2, 9)(5, 11)(6, 7)(8, 14)(10, 17)(12, 13)(15, 18) , (2, 6)(3, 14)(4, 9)(5, 16)(7, 8)(10, 15)(11, 12)(13, 17) ], [g| (1, 7)(2, 5)(3, 16)(4, 6)(8, 14)(9, 11)(10, 13)(12, 17) , (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 4)(2, 9)(5, 11)(6, 7)(8, 14)(10, 17)(12, 13)(15, 18) ], [g| (1, 6)(2, 11)(3, 16)(4, 7)(5, 9)(10, 12)(13, 17)(15, 18) , (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 4)(2, 9)(5, 11)(6, 7)(8, 14)(10, 17)(12, 13)(15, 18) ], [g| (1, 5)(2, 10)(3, 12)(4, 14)(6, 17)(7, 18)(9, 11)(13, 15) , (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 10)(2, 5)(3, 14)(4, 12)(6, 17)(7, 13)(8, 16)(15, 18) ], [g| (1, 3)(2, 12)(4, 13)(5, 7)(6, 14)(9, 16)(10, 17)(11, 15) , (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 10)(2, 12)(3, 17)(4, 15)(5, 16)(7, 9)(8, 18)(11, 13) ], [g| (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (2, 10)(3, 11)(4, 6)(5, 18)(7, 9)(8, 13)(14, 15)(16, 17) , (2, 6)(3, 14)(4, 9)(5, 16)(7, 8)(10, 15)(11, 12)(13, 17) ], [g| (1, 12)(3, 5)(4, 14)(6, 15)(7, 9)(8, 16)(11, 18)(13, 17) , (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (2, 10)(3, 11)(4, 6)(5, 18)(7, 9)(8, 13)(14, 15)(16, 17) ], [g| (1, 16)(3, 17)(4, 6)(5, 14)(7, 11)(9, 12)(10, 15)(13, 18) , (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 13)(2, 8)(3, 5)(4, 7)(6, 11)(10, 15)(14, 17)(16, 18) ], [g| (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 13)(2, 8)(3, 5)(4, 7)(6, 11)(10, 15)(14, 17)(16, 18) , (1, 16)(2, 5)(3, 10)(6, 12)(7, 8)(9, 15)(11, 18)(13, 14) ], [g| (1, 4)(3, 14)(5, 8)(6, 13)(9, 15)(10, 11)(12, 18)(16, 17) , (1, 18)(2, 6)(3, 10)(4, 17)(5, 12)(9, 13)(11, 16)(14, 15) , (1, 17)(2, 7)(3, 18)(4, 16)(6, 11)(9, 15)(10, 13)(12, 14) ] ];