In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['K', 499, 7741, 'U', 'Y', 2327, 8917, 'S', 3007, 7035, 'B', 'r', 'X', 9085, 'p', 'v', 5099, 6509, 'T', 7011, 'e', 8863, 4777, 9757, 4367, 'y', 'F', 8003, 'W', 'I', '2065', 'I', 'a', 't', 'L', '4471', '3127', '9473', 't', '3629', 'T', '4883', 'y', '2899', 'L', '8397', '2769', 'e', '9041', 'M', '3577', 'u', '3441', 'P', '3267', 'T', 'J', '2421', 'H', 807], ['g', 'd', 8269, 'W', 'h', 'j', 5907, 'u', 'v', 9955, 7785, 'q', 8287, 979, 'j', 3147, 6249, 947, 6101, 'u', 'k', 9413, 'F', 'z', 7603, 'b', 155, 'H', 'K', 'R', 'W', 'I', '2065', 'I', 'a', 't', 'L', '4471', '3127', '9473', 't', '3629', 'T', '4883', 'y', '2899', 'L', '8397', '2769', 'e', '9041', 'M', '3577', 'u', '3441', 'P', '3267', 'T', 'J', '2421', 'o', 'i', 'n', 'E', 9635, 833, 9509, 5481, 'O', 9503, 3105, 6381, 4889, 8615, 7879, 'Y', 4921, 897, 'C', 'h', 8153, 109, 9821, 435, 'A', 7045, 655, 'b']