gens:=[
    Matrix(GF(3),5,5,[1, 1, 2, 2, 0, 1, 2, 0, 2, 0, 0, 2, 2, 1, 0, 1, 0, 1, 0, 1, 1, 1, 
    0, 0, 0 ]),

    Matrix(GF(3),5,5,[1, 0, 2, 2, 2, 2, 0, 2, 1, 1, 0, 0, 2, 1, 1, 1, 2, 0, 1, 0, 0, 2, 
    2, 0, 1 ])
];





P:=PermutationGroup<23|(4, 18, 6)(5, 10, 12)(7, 22, 20)(9, 17, 11)(13, 14, 21)(16, 19, 23),(2, 8, 15)(4, 7, 17)(5, 12, 10)(6, 20, 9)(11, 18, 22)(16, 19, 23)>;


L104:=GModule(P,gens);


print("P-source L104 of the simple M23-module D104 over GF(3); a permutation 
representation of P on 23 points");