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

SOLUTION: eaFmprNHq

PROBLEM: bjjsMtBzzXIgYWPBZmaDL, iTxktmvBzzXIgYWPhbAyBE

SOLUTION: BzzXIgYWP

PROBLEM: vSyEgEaAhEDU, oGHRWgEaAhjgcS

SOLUTION:
gEaAh