C3213322333133313113313221211113313331333133313121121123321221312311111   >>    C321332233313331311331322121111331333133313331312112112332122131231111   <<    C3213322333133313113313221211113313331333133313121121123321221312311113   >>      C3213322333133313113313221211113313331333133313121121123321221312311112   >>