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:
触控版 MacBook Pro 曝光：配备灵动岛与 OLED 屏、今年亮相
，详情可参考safew官方版本下载
Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36。WPS下载最新地址对此有专业解读
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