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

['U', 'S', 1413, 'O', 'j', 5221, 6645, 7877, 5445, 'K', 7223, 'u', 'J', 'U', 'Q', 'F', '1723', '639', 's', '4473', 'H', '3351', '7653', '2801', '5123', 'V', '9073', '8733', '7617', '1785', 'j', '7085', '895', 'm', '7831', '5757', '255', 'i', 'n', 9101, 'Q', 6009, 'f', 5025, 5631, 4575, 't', 'u', 8185, 'Z', 1459, 9567, 1549, 9011, 'A', 'k', 'w', 1513, 1063, 8087, 't'], [8547, 'W', 1709, 'c', 'J', 'U', 'Q', 'F', '1723', '639', 's', '4473', 'H', '3351', '7653', '2801', '5123', 'V', '9073', '8733', '7617', '1785', 'j', '7085', '895', 'm', '7831', '5757', '255', 'K', 4041, 6407, 6049, 9859, 4451, 7035, 5861, 323, 3431, 'g', 'X', 'h', 441, 1471, 'I', 343, 1955, 'E', 'K', 7927, 'F', 'S', 'E']
J, U, Q, F, 1723, 639, s, 4473, H, 3351, 7653, 2801, 5123, V, 9073, 8733, 7617, 1785, j, 7085, 895, m, 7831, 5757, 255

['K', 9673, 1909, 4297, 4479, 6817, 4899, 'C', 6959, 'V', '9807', '5503', '4787', '8401', '1975', 'c', '3357', 'O', '2117', 'V', 'W', '223', 'n', '7837', 'J', '7137', '4965', 'O', '9937', 'a', 'M', 'n', 6241, 'm'], ['x', 2703, 'G', 'g', 6139, 369, 'M', 2263, 1539, 8497, '9807', '5503', '4787', '8401', '1975', 'c', '3357', 'O', '2117', 'V', 'W', '223', 'n', '7837', 'J', '7137', '4965', 'O', '9937', 'X', 171, 2305, 2887, 'x', 'M', 557, 9003, 'H', 'V', 'B', 7409]
9807, 5503, 4787, 8401, 1975, c, 3357, O, 2117, V, W, 223, n, 7837, J, 7137, 4965, O, 9937

[8715, 4973, 'X', 'r', 827, 'T', 'j', '1211', 'N', '7625', 'a', '4169', 'm', '713', 'Q', '2325', '8303', 'H', 'X', 'u', 'B', 'l', 'o', 9511, 9553, 1077, 'n', 'W', 3845, 2871, 'F', 4987, 6167], [7907, 'k', 'L', 'j', '1211', 'N', '7625', 'a', '4169', 'm', '713', 'Q', '2325', '8303', 'H', 'X', 'u', 'B', 'l', 'Y', 7423, 'I', 9243, 4655, 5269, 'D', 1407, 'P', 4343, 'T', 'C', 'i', 'F']

j, 1211, N, 7625, a, 4169, m, 713, Q, 2325, 8303, H, X, u, B, l