In this task, you are given two strings A, B. Find the longest common substring in the strings A and B.
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Question: mmDhYqPJC, qThYqxW

Answer: hYq


Question: DFRoMPNDAzNgtLsEPseOzC, qykyPjDAzNgtLsEPYTsNrJaNK

Answer: DAzNgtLsEP


Question: McuFgrKqvMohiWmEYJrlNDaTKs, WNlOITyLohiWmEYJrlavKuLzCF

Answer:
ohiWmEYJrl