C3213322333133313113313221211113313331333133313231131131233122131322121   >>    C321332233313331311331322121111331333133313331323113113123312213132212   <<    C3213322333133313113313221211113313331333133313231131131233122131322123   >>      C3213322333133313113313221211113313331333133313231131131233122131322122   >>