C1111133313331323223313331333133313331323131232313231323133112231   >>    C111113331333132322331333133313331333132313123231323132313311223   <<    C1111133313331323223313331333133313331323131232313231323133112233   >>      C1111133313331323223313331333133313331323131232313231323133112232   >>