Jumping from one tool to another is easy. You can use
Treasures found on HS2 route stored in secret warehouse
，这一点在爱思助手下载最新版本中也有详细论述
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「像鬼一樣工作」：台灣外籍移工為何陷入「強迫勞動」處境
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: