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

SOLUTION: XUzpStD

PROBLEM: nuwMzarLqoPvabJla, JKcrLqoPvabJNDCILGQ

SOLUTION: rLqoPvabJ

PROBLEM: TgWtVCpF, KotVCQz

SOLUTION:
tVC