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: oHoJrr, YAoJSq

SOLUTION: oJ

PROBLEM: LpriunJxngYhkdiHz, mokOaiunJxngYiU

SOLUTION:
iunJxngY