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

SOLUTION: sGXNMagg

PROBLEM: EeUODjkxsQeTSNsHYpBKIUvEuAKhB, SrpZeTSNsHYpBKdhPFlgMh

SOLUTION: eTSNsHYpBK

PROBLEM: xzPkTsYXokwJLXOJBnrwcFPvkpNRsX, GOasHwVCpZwJLXOJBnrwzwZA

SOLUTION:
wJLXOJBnrw