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（一）隐藏、转移、变卖、擅自使用或者损毁行政执法机关依法扣押、查封、冻结、扣留、先行登记保存的财物的；
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: