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

Q: cvRdSsuNwGVEwSSrowDpaOu, gFMcLKIeLwNwGVEwSSroUGskaoloqC

A: NwGVEwSSro
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Q: mOGzbnDXWnNurkBXtcqZ, NLahGzbnDXWnNYgMTOR

A: GzbnDXWnN
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Q: EJZYVxgFxPoOSDlLfK, uTLTIETHZYVxgFxPoPwr

A:
ZYVxgFxPo
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