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: wrVsKN, mOVsWo

Answer: Vs


Question: AxAmDG, LTAmEV

Answer: Am


Question: MnCHAOVpiRiaPamBXXjoI, ksEHAOVpiRiaRXhS

Answer:
HAOVpiRia