C3213322333133313113313221211113313331333133313121121123212312131121   >>    C321332233313331311331322121111331333133313331312112112321231213112   <<    C3213322333133313113313221211113313331333133313121121123212312131123   >>      C3213322333133313113313221211113313331333133313121121123212312131122   >>