In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['J', 'e', 2865, 'C', 6163, 'T', 'c', 5365, 9663, 'Y', 'Z', 's', '7735', '2073', 'G', 'm', '8511', 's', '5129', '7949', 'J', '495', '8991', '1615', '5045', '5757', '7509', 'G', 'w', 'E', '1561', 'X', 5839, 6833, 'Z', 6989, 's', 6035, 'l', 'j', 'B', 'S', 'I', 'g', 8985], ['I', 'q', 3019, 'b', 'W', 'Y', 'Z', 's', '7735', '2073', 'G', 'm', '8511', 's', '5129', '7949', 'J', '495', '8991', '1615', '5045', '5757', '7509', 'G', 'w', 'E', '1561', 'u', 8179, 8591, 'F', 'W', 'v', 241, 'K', 1913, 'o', 6547, 'y', 1999, 'X']