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

Q: VeLJEBYpZwxVQlo, EZEBYpZwxVQIxjFj

A: EBYpZwxVQ
****
Q: SyweIt, ILweip

A: we
****
Q: gLaOqvRURtMiHnqHzsvNP, gDRtMiHnqHWxgkS

A:
RtMiHnqH
****