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

AedXEOrEgvnzF, TVTEOrEgvxKuJgv
EOrEgv

jJjsASFfCqVV, AkjsASFfBFwPy
jsASFf

OYUeTp, IFUeuw

Ue