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

SOLUTION: eTSNsHYpBK

PROBLEM: UQDJDbzqDxsMzUL, BxClJDbzqDxLxlngc

SOLUTION: JDbzqDx

PROBLEM: SCYntb, GZYnyt

SOLUTION:
Yn