C1111133313331323223313331333133313113313223313331311331311212321231   >>    C111113331333132322331333133313331311331322331333131133131121232123   <<    C1111133313331323223313331333133313113313223313331311331311212321233   >>      C1111133313331323223313331333133313113313223313331311331311212321232   >>