If the A* calculation for a shortcut (in Step 3) finds it's now impassable, or if its actual detailed cost is significantly different (e.g., 20%) from the pre-calculated shortcut value:
"insert or replace into items(url,title,author,published,tags,content,raw) values(?,?,?,?,?,?,?)",
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Жители Санкт-Петербурга устроили «крысогон»17:52
他们来到花都区田美村的杜氏宗祠，在浩瀚的族谱中，找到了杜耀豪父亲和爷爷的名字。（受访者供图）