In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['G', 'S', 'D', 'f', 2711, 2177, 5227, 4453, 'M', 'W', 'n', 'D', 7355, 's', 'w', 4099, 4275, 'o', 'F', '9261', '815', '5971', '9041', '1635', 'C', '4821', 'X', 'z', 'r', '191', '9687', 'C', '9113', 'R', 'I', 'M', '5001', '767', 'l', 'H', 'q', 'R', 'Z', '3797', 'f', '8445', 'y', 'S', 6153], ['f', 5185, '9261', '815', '5971', '9041', '1635', 'C', '4821', 'X', 'z', 'r', '191', '9687', 'C', '9113', 'R', 'I', 'M', '5001', '767', 'l', 'H', 'q', 'R', 'Z', '3797', 'f', '8445', 'L', 4365, 2985, 'm', 8935, 'w', 'Z', 'D', 'r', 6865, 'e', 1597, 1549, 4463, 'L', 1219, 'K', 'u', 585, 'G', 7393]