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: dxqZUOvRprXyFfjQfTWBhR, biSVjOvRprXyFfDtuFWQ

SOLUTION: OvRprXyFf

PROBLEM: OdkmRodGPnideipcNt, YDGPnideipceHMuQHzd

SOLUTION:
GPnideipc