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

[Q]: jexvmCmveGzFUimQMx, RVwOSJveGzFUimrcOwjEwe
[A]: veGzFUim


[Q]: dZJWBGoeoMepPoTg, pekBGoeoMeQP
[A]: BGoeoMe


[Q]: mBWPaDRBPAxR, jyDRBPAcVC
[A]:
DRBPA


