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: SUueHhzGsanfsalEEc, KygEhzGsanfsapbKKX

Answer: hzGsanfsa


Question: krnkpodgfpCKtfCqyzUbymWbxi, DydgSWpCKtfCqyzDaMsjqc

Answer: pCKtfCqyz


Question: qroILrWHNdfN, wTByLrWHQfKK

Answer:
LrWH