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

SOLUTION: ILNeNQbJy

PROBLEM: YRNpKFPGzUsgCOBJgbVG, TdEpMngFPGzUsgCOZykYRrLp

SOLUTION: FPGzUsgCO

PROBLEM: sGbuJakpTLFGaaHOgXpIbrf, rRAkkYFkSuJakpTLFGaxBKeHUzGk

SOLUTION:
uJakpTLFGa