C1111133313331323223313331333133313331333131121133133313331323131232311   >>    C111113331333132322331333133313331333133313112113313331333132313123231   <<    C1111133313331323223313331333133313331333131121133133313331323131232313   >>      C1111133313331323223313331333133313331333131121133133313331323131232312   >>