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

SOLUTION: vSnEBgGapI

PROBLEM: jsXHot, gtXHmB

SOLUTION: XH

PROBLEM: wNVrKa, ueVrLa

SOLUTION:
Vr

