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

Q: OVVkkdeHoFlyNROyCP, zFVUJbvkkdeHoFlysF

A: kkdeHoFly
****
Q: WTnsmP, INnsIM

A: ns
****
Q: lFAOnCya, eCpAOnCBn

A:
AOnC
****