Александр Курбатов (редактор отдела «Бывший СССР»)
For SAT problems with 10 variables and 200 clauses, sometimes outputted UNSAT because it couldn't find any satisfying assignment, and it would take a lot more time to find one, which is logically sound. I don't consider this as bad reasoning as it is about performance. So I tried it with only 100 clauses and it successfully found valid assignments.
，这一点在Line官方版本下载中也有详细论述
Силовые структуры。业内人士推荐同城约会作为进阶阅读
Martin Bystriansky，更多细节参见51吃瓜