C3213322333133313113313221211113313331333133313231131131233122122131   >>    C321332233313331311331322121111331333133313331323113113123312212213   <<    C3213322333133313113313221211113313331333133313231131131233122122133   >>      C3213322333133313113313221211113313331333133313231131131233122122132   >>