Chat messages should be short and sweet.
曾经的骆驼湾村，“九山半水半分田，石头缝里难挣钱”，进村的路，是坑坑洼洼的黄土路。
，更多细节参见搜狗输入法下载
companies and markets.
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:
Раскрыты подробности похищения ребенка в Смоленске09:27