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

['F', 175, 'f', 8443, 3869, 'X', 8987, 's', 'x', 'r', '6805', '843', 't', 'g', 'T', '8865', 'K', '9607', 'G', '4521', 'z', 'E', 'T', 9337, 'B', 3133, 10013], [2067, 3211, 'U', 'S', 8949, 'N', 'r', '6805', '843', 't', 'g', 'T', '8865', 'K', '9607', 'G', '4521', 'z', 'Q', 1511, 'X', 1105, 3303, 'u', 8705, 'j']
r, 6805, 843, t, g, T, 8865, K, 9607, G, 4521, z

[1231, 'a', 9367, '155', 'r', '1473', '5679', '3161', 'L', 'e', 'b', 'm', '9427', '2001', '5293', '3487', 'K', '6467', 'S', 'e', 6603, 'm', 8145, 'L', 's', 1273, 9291, 'X'], [5773, 'D', 'W', 'F', 5987, 'D', 'H', 2095, 'I', 'X', 29, '155', 'r', '1473', '5679', '3161', 'L', 'e', 'b', 'm', '9427', '2001', '5293', '3487', 'K', '6467', 'S', 'C', 'a']
155, r, 1473, 5679, 3161, L, e, b, m, 9427, 2001, 5293, 3487, K, 6467, S

[3119, 'a', 3299, 'R', 4993, 'Z', 3945, 2251, 'L', 'b', 'p', 9607, 'm', 'T', 'd', 'D', 3061, 7609, 'u', 'b', 'M', 'y', '573', '8299', '6699', '9529', '4279', '3041', '179', '9953', '9107', 'A', 'M', '4513', '4915', 'G', 'e', '5871', '8555', '6957', '1457', '9445', 'g', 'z', 'z', 'q', 'T', 'E', 'H', 6809, 1237, 6021, 'D', 'F', 8119, 1163, 'Q', 'D', 3223, 'D', 3125], ['q', 'y', 'T', 4457, 'I', 'v', 'T', 'o', 2925, 9225, 'h', 9875, 5479, 1831, 'z', 6931, 449, 7921, 7791, 2891, 4657, 'y', '573', '8299', '6699', '9529', '4279', '3041', '179', '9953', '9107', 'A', 'M', '4513', '4915', 'G', 'e', '5871', '8555', '6957', '1457', '9445', 'g', 'z', 'z', 'q', 'O', 'k', 2265, 5061, 'z', 'y', 'Q', 'J', 2665, 5157, 4675, 'D', 6509, 'Q', 177, 'w']

y, 573, 8299, 6699, 9529, 4279, 3041, 179, 9953, 9107, A, M, 4513, 4915, G, e, 5871, 8555, 6957, 1457, 9445, g, z, z, q