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

[EX Q]: ['X', 8541, 'z', 'A', '3985', '181', 'k', '6327', '4303', 'Q', '6295', 'i', 'b', 'A', 'h', 'f', '4947', 'N', '4649', 'S', '1957', '2921', '7817', 'i', 'r', 3095, 't', 'i', 5121, 2147, 'O', 4145, 1995, 'E', 'a'], ['g', 'v', 491, 'F', 'Q', 8013, 5789, 6119, 'p', 8193, 'G', 6543, 'n', 'f', 5239, 'z', 'A', '3985', '181', 'k', '6327', '4303', 'Q', '6295', 'i', 'b', 'A', 'h', 'f', '4947', 'N', '4649', 'S', '1957', '2921', '7817', 'i', 'y', 9617, 4351, 'X', 9425, 3497, 6049, 8113]
[EX A]: z, A, 3985, 181, k, 6327, 4303, Q, 6295, i, b, A, h, f, 4947, N, 4649, S, 1957, 2921, 7817, i

[EX Q]: [6103, 'W', 'k', 931, 'r', 'v', 'w', 'X', '5537', '3209', '4831', 'R', '2093', 'U', 'b', 'w'], [9617, 'F', 3411, 'X', '5537', '3209', '4831', 'R', '2093', 'U', 'O', 9311, 5805]
[EX A]: X, 5537, 3209, 4831, R, 2093, U

[EX Q]: ['G', 4721, 'd', 9909, 'h', 'H', 'C', 1905, 1463, 4143, 2301, 2485, 8105, 'm', 'L', 'V', '2349', 'k', '2355', 'S', 'E', 'W', '3251', '5665', 'M', '4879', 'U', 'l', '5243', 'q', '8397', 'K', 'Z', '5591', 'v', 2515, 'W'], [1069, 8675, 9613, 3309, 6305, 'F', 6321, 'z', 5135, 'd', 2447, 'C', 'U', 'm', 8083, 'z', 'N', 'r', 9705, 'L', 'V', '2349', 'k', '2355', 'S', 'E', 'W', '3251', '5665', 'M', '4879', 'U', 'l', '5243', 'q', '8397', 'K', 'Z', '5591', 'L', 'u', 'D', 1777, 6981, 797]
[EX A]:
L, V, 2349, k, 2355, S, E, W, 3251, 5665, M, 4879, U, l, 5243, q, 8397, K, Z, 5591