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

SOLUTION: xecDfkXEG

PROBLEM: VRamNL, mUamIB

SOLUTION: am

PROBLEM: RciQOv, FjiQBx

SOLUTION:
iQ