In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1999, 1699, 1577, 4415, 'v', 's', 9011, 8533, 'I', '9299', '6999', '7783', '2739', 'T', 'e', 't', '5833', 'V', '3405', 'Y', '3591', 'Y', 8403], [8983, 't', 6425, 'c', 'r', 'K', 5917, 6721, 'W', 2907, 'q', '9299', '6999', '7783', '2739', 'T', 'e', 't', '5833', 'V', '3405', 'Y', '3591', 'z', 'D', 9155, 641, 9365, 'K', 8869]