C3213322333133313113313221211113313331333132322333232223123121212111   >>    C321332233313331311331322121111331333133313232233323222312312121211   <<    C3213322333133313113313221211113313331333132322333232223123121212113   >>      C3213322333133313113313221211113313331333132322333232223123121212112   >>