C3213322333133313113313221211113313331333133313231131131233231211231   >>    C321332233313331311331322121111331333133313331323113113123323121123   <<    C3213322333133313113313221211113313331333133313231131131233231211233   >>      C3213322333133313113313221211113313331333133313231131131233231211232   >>