G:=PermutationGroup<23|(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,19, 20, 21, 22, 23),(3, 17, 10, 7, 9)(4, 13, 14, 19, 5)(8, 18, 11, 12, 23)(15, 20,22, 21, 16)>; print("a permutation representation of M23 on 23 points");