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: jXqEDHTCxTiUAICWZJdpmYq, GBTCxTiUAICZKnLgZBXi

Answer: TCxTiUAIC


Question: eJPZzg, lFPZbI

Answer: PZ


Question: KhKPxIHNPmwTZ, mJojaIHNPmwHwi

Answer:
IHNPmw