In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['F', 2205, 'g', 7223, 5803, 'x', 8949, 7057, 6303, 7091, 8749, 9113, 6915, 'w', '6489', 'V', '1097', 'T', 'm', '1207', 'Z', 'b', 'J', 'Y', 'P', '5335', 'P', '7159', '9449', '3399', '1551', 'z', '5551', 'J', '9795', 'X', '8309', 'l', 'A', 9403, 4585, 'I', 'J', 7435, 513, 1635], [251, 'Y', 119, 'V', 'y', 'B', 'q', 'y', 3459, 'G', 7223, 803, 'I', 'v', 545, 'p', 1739, 1829, 'e', 'a', 'q', 'B', '6489', 'V', '1097', 'T', 'm', '1207', 'Z', 'b', 'J', 'Y', 'P', '5335', 'P', '7159', '9449', '3399', '1551', 'z', '5551', 'J', '9795', 'X', '8309', 'l', 'Z', 'n', 6649, 'w', 'x', 'H', 'X', 5023, 'W', 4065, 'K', 797, 4277, 1039, 4139, 7727, 'N', 'w', 8715, 9597, 'W', 'e']