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

[3453, 883, 'a', 'C', 7891, 'T', 8245, 9759, 'J', 'Z', 6515, 'B', 'j', 3353, 859, 2123, 3289, 'I', 'e', 'p', 4473, 'A', 7815, 4401, 'Z', 2071, 'm', 'C', '4283', '8455', '697', '1653', '6739', '7729', 'K', 'a', 'v', 'c', '69', '7427', '4721', '7015', '497', '7697', '7533', 'l', 'l', 'U', '6481', 'm', '5107', 'v', 'M', 'u', '3649', 'O', 5601, 5705, 'B', 2271, 7875, 'E', 4389, 'U', 9283, 'v', 2119, 457, 'W', 'd', 'C', 'i', 3311, 'X'], ['u', 'z', 'I', 'x', 'l', 'm', 'C', '4283', '8455', '697', '1653', '6739', '7729', 'K', 'a', 'v', 'c', '69', '7427', '4721', '7015', '497', '7697', '7533', 'l', 'l', 'U', '6481', 'm', '5107', 'v', 'M', 'u', '3649', 'J', 9139, 9981, 'O', 5677, 9201, 3941, 'r', 'w', 5597, 9451, 2807, 3577]
m, C, 4283, 8455, 697, 1653, 6739, 7729, K, a, v, c, 69, 7427, 4721, 7015, 497, 7697, 7533, l, l, U, 6481, m, 5107, v, M, u, 3649

['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

['X', 5855, 4369, 'm', 'q', 'C', 'F', '9', '729', '7041', '2025', '899', 'Y', 'I', 8781, 'X'], ['U', 9437, 'U', 'n', 967, 'i', 'z', 'C', 'F', '9', '729', '7041', '2025', '899', 'Y', 'w', 'w', 5711, 'F', 2771, 1953, 8043]

C, F, 9, 729, 7041, 2025, 899, Y