C31232233133313221211113313331333133313331212111133133313133313112211232313111   >>    C3123223313331322121111331333133313331333121211113313331313331311221123231311   <<    C31232233133313221211113313331333133313331212111133133313133313112211232313113   >>      C31232233133313221211113313331333133313331212111133133313133313112211232313112   >>