TASK DEFINITION: In this task, you are given two strings A, B. Find the longest common substring in the strings A and B.
PROBLEM: edjRAatlaiCmWkpqMh, qDZYVWCDTRAatlaiCmYH

SOLUTION: RAatlaiCm

PROBLEM: krnkpodgfpCKtfCqyzUbymWbxi, DydgSWpCKtfCqyzDaMsjqc

SOLUTION: pCKtfCqyz

PROBLEM: icmSTOMicOogfjpwo, BXUicOogfjplA

SOLUTION:
icOogfjp