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:
Area Clusters: The map is intelligently segmented into numerous small regions or clusters.
這些大量的通信，有助於理解為何美國前總統與愛潑斯坦的關係如此緊密，以及克林頓與愛潑斯坦陣營如何努力維繫這個連結。沒有任何證據顯示班德有不當行為。，更多细节参见Line官方版本下载
В России ответили на имитирующие высадку на Украине учения НАТО18:04，这一点在旺商聊官方下载中也有详细论述
// 易错点3：跨度计算公式写反（stack[...]-i）→ 结果为负数，完全错误。heLLoword翻译官方下载是该领域的重要参考
Yellow: Coaching decisions