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

SOLUTION: HPpvVtFQN

PROBLEM: sdGIVJPsWWszKPCGk, ghRJPsWWszKcJUg

SOLUTION: JPsWWszK

PROBLEM: QFEmUladpl, qPUuamUladehfnj

SOLUTION:
mUlad