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

['t', 'W', 'i', 't', 4163, 'd', 'k', 'Y', 'V', '5149', '6959', '6843', '7821', '6533', 'g', '6879', 'T', 6267, 5627, 'u', 'g', 'F', 3861], ['f', 'g', 'N', 'I', 'C', 4633, 'Y', 'V', '5149', '6959', '6843', '7821', '6533', 'g', '6879', 'A', 'K', 1819, 3343, 8603, 'h', 1751, 'h']
Y, V, 5149, 6959, 6843, 7821, 6533, g, 6879

['S', 'o', 9247, 'W', 'G', 5923, 4791, '8083', '3207', '9137', '9359', '9297', '9667', '75', 'h', '9671', 's', 'T', 5829, 'p'], ['K', 'U', 'H', 8611, 1005, 'I', '8083', '3207', '9137', '9359', '9297', '9667', '75', 'h', '9671', 'C', 9577, 8279, 2247, 'x', 4917, 'H']
8083, 3207, 9137, 9359, 9297, 9667, 75, h, 9671

['t', 9491, 1441, 9271, 'S', 2225, 'F', 2839, 'G', 'X', 'v', 7159, 'J', '5479', '5171', '9845', 'N', 'v', 'B', '8663', 'p', '3941', '8491', '7467', '9061', 'e', '1311', 'b', '7463', '8577', 'c', '355', 'r', 'h', 'a', 9007, 'S', 'V', 4471, 403, 3075, 'u', 'e', 'W', 'e', 'W', 'q'], ['Y', 1469, 'w', '5479', '5171', '9845', 'N', 'v', 'B', '8663', 'p', '3941', '8491', '7467', '9061', 'e', '1311', 'b', '7463', '8577', 'c', '355', 'r', 'p', 'M', 8137, 'J', 9409, 8591, 'p', 'k', 985, 439, 365, 975, 2825, 'D', 'M']

5479, 5171, 9845, N, v, B, 8663, p, 3941, 8491, 7467, 9061, e, 1311, b, 7463, 8577, c, 355, r