<https://chadayev.ru/weiqi/2011/10/17/pro-caplyu-i-zhabu-borotsya-do-konca/#Breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://chadayev.ru/weiqi/2011/10/17/pro-caplyu-i-zhabu-borotsya-do-konca/>