TASK DEFINITION: In this task, you are given two strings A, B. Find the longest common substring in the strings A and B.
PROBLEM: hcmMoVBhK, mdmMoVBjuT

SOLUTION: mMoVB

PROBLEM: aBlALASwuwTZmy, MdwASwuwIW

SOLUTION: ASwuw

PROBLEM: qOnGICLcTZkhddmQv, xTRLcTZkhdmr

SOLUTION:
LcTZkhd