In this task, you are given two strings A, B. Find the longest common substring in the strings A and B.

eedZoMwKgDhdsgs, kMMwKgDLm
MwKgD

wrVsKN, mOVsWo
Vs

pTfsRVvPNTEVlBED, NNIvPNTEVlBQTKlNk

vPNTEVlB