In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['q', 1429, 7637, 8969, 'n', 'R', '7139', 'o', 'o', '1737', 'd', '9759', '9087', 'p', 'P', 'Z', 'O', '7543', '7557', 'B', 'g', 'n', '4551', 'Y', 'D', '5205', '6697', 'U', 'u', '6489', 'P', 3733, 'A'], ['k', 2063, 'C', 5397, 'l', 'W', 'j', 915, 'k', 4753, 4751, 'J', 3115, 4361, '7139', 'o', 'o', '1737', 'd', '9759', '9087', 'p', 'P', 'Z', 'O', '7543', '7557', 'B', 'g', 'n', '4551', 'Y', 'D', '5205', '6697', 'U', 'u', '6489', 'T', 'c', 3893, 6057, 5551, 'H', 9767, 'q', 6787, 'z', 593, 1667, 'j', 'o', 's', 7243, 949, 'Q', 2285, 9215, 'I', 1661]