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

[6917, 7141, '3657', '9205', 'b', 'm', 'Q', 'g', 'q', 'l'], [1429, 7173, 3447, '3657', '9205', 'b', 'm', 'Q', 'U', 'f']
3657, 9205, b, m, Q

['R', 437, 'S', 'N', 'H', '3615', 'w', 'j', 'N', '6991', '7577', 'O', 'z', 'k', 'F', 'T', '3585', '5505', '5485', 'f', 'B', 3579, 'v', 8529, 'i'], ['w', 'j', 'X', 'G', 'I', 4567, 'H', 'w', 8869, 4535, 'L', 'q', 'u', 'V', 'L', '3615', 'w', 'j', 'N', '6991', '7577', 'O', 'z', 'k', 'F', 'T', '3585', '5505', '5485', 'f', 'R', 155]
3615, w, j, N, 6991, 7577, O, z, k, F, T, 3585, 5505, 5485, f

['g', 7803, 'q', 'n', 'L', 5995, 2093, 3845, 'e', 'L', 7701, 'r', 3169, 'H', 'P', 'E', '6661', '9061', 'k', 'F', '6423', 't', 'U', '4467', 'J', 'N', 'X', '393', '7577', 'J', 'Z', 'W', 'j', 3603, 8981, 5579, 'I', 'c', 'V', 'q', 'M', 'G', 'Q'], ['C', 2655, 'x', 'c', 7537, 9615, 'J', 265, 'O', 5211, 4253, 'E', 5551, 6709, 'E', '6661', '9061', 'k', 'F', '6423', 't', 'U', '4467', 'J', 'N', 'X', '393', '7577', 'J', 'Z', 'V', 517, 'D', 8665, 'O', 'G', 2335, 'V', 9489, 5581, 3083]
E, 6661, 9061, k, F, 6423, t, U, 4467, J, N, X, 393, 7577, J, Z