In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[2471, 'o', 'j', 'J', 7539, 8949, 2023, 'b', 'w', 9935, 'i', 'A', '843', 'E', 'Q', 'M', '3185', 'h', 'u', 'K', 'D', '5655', '2057', '1169', 'Q', 'Y', 2199], [2019, 'Y', 2557, 2337, 'p', 'i', 'A', '843', 'E', 'Q', 'M', '3185', 'h', 'u', 'K', 'D', '5655', '2057', '1169', 'g', 7743, 'L', 'A', 5137, 3587, 'V', 1399]
i, A, 843, E, Q, M, 3185, h, u, K, D, 5655, 2057, 1169

['N', 'b', 'T', 5873, 'o', 'v', 6747, 1915, 953, '5629', '7539', '1221', 'r', '4845', 'b', 'V', '2341', '6775', '2837', 'i', '4527', 'W', '3441', '2797', '8519', 'i', '9429', '10017', 'N', 'h', 'M', '7353', 'A', 'x', 'N', 4753, 'B', 1137, 'H', 'l', 'S', 5559, 8885, 373, 8291, 5213, 'K', 1901, 'g'], ['s', 4407, 2767, 'k', 6015, 7131, 'g', 'v', 6523, 9635, 8915, 6313, 'x', 'O', 9993, 'd', 'Y', 307, 'U', '5629', '7539', '1221', 'r', '4845', 'b', 'V', '2341', '6775', '2837', 'i', '4527', 'W', '3441', '2797', '8519', 'i', '9429', '10017', 'N', 'h', 'M', '7353', 'm', 'c', 3281, 2229, 'W', 1113, 169, 'k', 'R', 1277, 'c', 'L', 'q', 'Q', 'Q', 'C', 'Y', 'j']
5629, 7539, 1221, r, 4845, b, V, 2341, 6775, 2837, i, 4527, W, 3441, 2797, 8519, i, 9429, 10017, N, h, M, 7353

['K', 141, 9993, 6041, 'M', 'D', 'Z', 3899, 4971, 10011, 7691, 1653, 7049, 'q', 8817, 6297, 'A', '6767', '3835', 'u', 'Y', '3961', 'o', 'N', 'f', '7419', 'h', 'd', '4339', '3577', '7329', 'e', '1407', 'T', 'R', 'M', 'i', 'm', 1139, 6251, 1165, 'a', 4455, 2441, 4427, 5355, 'e', 4585, 5589], [6623, 'n', 9979, 'M', 3039, 7391, 6145, 'C', 'l', 'E', 'i', 'F', 'r', 'A', '6767', '3835', 'u', 'Y', '3961', 'o', 'N', 'f', '7419', 'h', 'd', '4339', '3577', '7329', 'e', '1407', 'T', 'R', 'M', 'n', 5811, 's', 7217, 839, 7735, 3895, 'F', 'U', 1157, 'R', 9271]
A, 6767, 3835, u, Y, 3961, o, N, f, 7419, h, d, 4339, 3577, 7329, e, 1407, T, R, M