<https://wasyokunowa.tokyo/2016/12/#listItem>
<http://schema.org/position>
"3"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://wasyokunowa.tokyo/2016/12/29/%E7%94%9F%E9%BA%A9%E3%81%AE%E5%9F%BA%E6%9C%AC/>