In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['C', 'I', 'Q', 7865, 4375, 'm', 3197, 'Q', 7537, 'c', 'a', 4807, 6393, 'Y', 'b', 'l', 3667, '8831', 'C', 'u', '7795', 'R', 'l', 'i', 'd', '6213', '5937', '5675', '7359', '1557', '9675', '3345', '3167', 'B', '7917', 'C', '4489', 'X', '8581', 'A', 's', '1285', 'C', '105', 'e', 'p', 'Y', 7643, 7667, 'P', 'T', 'c', 'I', 1485, 9603], ['h', 'e', 7057, 'H', 'k', 6241, 8205, 7487, 'z', 'g', 'K', 'u', 8149, 8949, 2717, 'l', 'y', '8831', 'C', 'u', '7795', 'R', 'l', 'i', 'd', '6213', '5937', '5675', '7359', '1557', '9675', '3345', '3167', 'B', '7917', 'C', '4489', 'X', '8581', 'A', 's', '1285', 'C', '105', 'e', 'Z', 'l', 8593, 'v', 4213, 'P', 'Z', 'm', 'G', 3829, 'z', 3021, 'T', 'C', 's', 'q', 4717, 2007, 'U', 8077, 'n', 7517, 2739, 9233]