C1111133313331323223313331333133313113313223313113313113313121331131   >>    C111113331333132322331333133313331311331322331311331311331312133113   <<    C1111133313331323223313331333133313113313223313113313113313121331133   >>      C1111133313331323223313331333133313113313223313113313113313121331132   >>