C1111133313331323223313331333133313311232313112121111331312313223331   >>    C111113331333132322331333133313331331123231311212111133131231322333   <<    C1111133313331323223313331333133313311232313112121111331312313223333   >>      C1111133313331323223313331333133313311232313112121111331312313223332   >>