C3213322333133313113313221211113313331333133313121121123311113323312111   >>    C321332233313331311331322121111331333133313331312112112331111332331211   <<    C3213322333133313113313221211113313331333133313121121123311113323312113   >>      C3213322333133313113313221211113313331333133313121121123311113323312112   >>