实现卡洛图的自动化简功能，最大字符为4个，即对于一个4 x4的数，将其中可以合并的1化简，得出最简和最优的结果，与手工化简结果一致-Calo plans to achieve automation SR function, the largest of the four characters, that is for a 4 x4 few, which will be an amalgamation of a simplification, reduction and produce the most optimal results, and manual results are consistent Simplification
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