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

[Q]: oZZUNCUHtIiauDxQ, OdindZUNCUHtIiLQmWJJf
[A]: ZUNCUHtIi


[Q]: HiGmCdXrmFRJYWLvZbpU, IxhkrmFRJYWLvZLaqRVxPkL
[A]: rmFRJYWLvZ


[Q]: wESLeJJVSBZiSc, MUhHSLeJJVfEDRa
[A]:
SLeJJV