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

SOLUTION: ZFPjLVof

PROBLEM: yjoJzBGdwfOhsceoOpoap, uSLMdBGdwfOhsIQHBijd

SOLUTION: BGdwfOhs

PROBLEM: NAmAoqqBcfGcI, ynVmqqBcfyLcXo

SOLUTION:
qqBcf