In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1977, 9671, 7623, 559, 1797, 8361, 7897, '1111', 'e', '5639', 'c', 'v', '1989', 'E', '4725', 'B', 'K', 'r', 1587, 6735, 4963, 'v'], [2327, 301, 1415, 'n', '1111', 'e', '5639', 'c', 'v', '1989', 'E', '4725', 'B', 'Z', 3063, 'r', 'd', 'Q']