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: VeLJEBYpZwxVQlo, EZEBYpZwxVQIxjFj

Answer: EBYpZwxVQ


Question: xzMUdHcoYJFWLOILjrg, vCscoYJFWLzO

Answer: coYJFWL


Question: zqmuYxFKODeP, jgeTlmuYxFOtg

Answer:
muYxF