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

SOLUTION: lDAXBgJ

PROBLEM: ICizmXnKMpUH, oDrnmXnKgWXX

SOLUTION: mXnK

PROBLEM: DDOFNV, BsOFHz

SOLUTION:
OF