I learned that for 4-SAT, if clause to variable ratio is more than 10, the generated problems become difficult to solve, and the likelihood of formula to be SAT or UNSAT is close to 50%. So I generated 3 types of formulas:
ВСУ запустили «Фламинго» вглубь России. В Москве заявили, что это британские ракеты с украинскими шильдиками16:45。业内人士推荐51吃瓜作为进阶阅读
process(chunk);。业内人士推荐服务器推荐作为进阶阅读
"It's perfect," she writes in her research diary. "Just us and food. What more could I want?"，更多细节参见safew官方版本下载
（九）接到要求制止违反治安管理行为的报警后，不及时出警的；