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:
软件股的噩梦，这次没有如期而至。而市场情绪在一夜之间发生了 180 度转向，这件事本身就值得好好说说。
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“If the USA Women’s Hockey team wants a real celebration and invite ,,, I’ll host them in Las Vegas. Do some nice dinners and shows and good times,” he wrote. “I’m sure I can get a hotel and airline to help me out here and celebrate these women for real for real.”
Альберт Хоревпосол России в Пакистане