For SAT problems with 10 variables and 200 clauses, it usually output SAT as expected, but the assignment was never valid (Examples: first, second). Once it claimed a SAT formula was UNSAT. For this reason I didn't bother testing with more variables for the SAT case.
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第八十一条 承运人签发提单以外的单证用以证明收到待运货物的，此项单证即为订立海上货物运输合同和承运人接收该单证中所列货物的初步证据。，详情可参考谷歌浏览器【最新下载地址】
"It's horrible to feel like you're not doing good enough for your children."。体育直播对此有专业解读