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

['l', 8387, '6019', 'r', 't', 'Y'], ['S', 'q', '6019', 'r', 'Z', 9863]
6019, r

[9575, 'B', 2013, 'J', 'e', 7839, 1517, 1505, 'T', 1109, 5639, 'o', '4409', 'L', '9207', '2481', 'W', '5287', 'h', 'b', 'h', 'T', 'g', 'k', '5867', 'p', '3705', '1257', '4107', '3389', 'a', 'r', 'j', 3455, 4281, 7515, 2685, 617, 'M', 'f', 1943, 2675, 'L', 'U'], [1429, 2865, 'Y', 745, '4409', 'L', '9207', '2481', 'W', '5287', 'h', 'b', 'h', 'T', 'g', 'k', '5867', 'p', '3705', '1257', '4107', '3389', 'a', 'r', 'F', 'r', 'w', 3275, 'x', 'y', 'R', 'N', 'P', 4961, 'm', 'v', 'L', 'g', 'B']
4409, L, 9207, 2481, W, 5287, h, b, h, T, g, k, 5867, p, 3705, 1257, 4107, 3389, a, r

[7217, 5633, 8727, 'l', 's', 'u', 'T', 'F', 'n', 'L', 'G', 'K', 'S', '523', '9835', '1331', '7069', '9089', 'z', '8111', 'C', '7653', 'P', 'J', 7151, 'J', 1523, 'p', 369, 8817, 'N', 'B', 1305, 1271, 1349, 3329, 1437, 'p'], [595, 7009, 'f', 463, 'B', 'V', 7397, 'n', 'L', 'G', 'K', 'S', '523', '9835', '1331', '7069', '9089', 'z', '8111', 'C', '7653', 'P', 'Y', 'x', 7741, 4563, 'O', 'l', 'D', 'U', 5221]

n, L, G, K, S, 523, 9835, 1331, 7069, 9089, z, 8111, C, 7653, P