C3213322333133313113313221211113313331333131131233232223311331231   >>    C321332233313331311331322121111331333133313113123323222331133123   <<    C3213322333133313113313221211113313331333131131233232223311331233   >>      C3213322333133313113313221211113313331333131131233232223311331232   >>