In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['u', 9195, 'M', 5041, 'K', 7495, 'W', 653, 'c', 6599, 2315, 'm', 'H', 'R', '7245', '4079', '7993', 'u', 'T', 'O', 'O', '1575', '4879', 'C', 'C', 'X', '5771', 'L', 'd', '6745', 'F', 'o', '1445', '5195', 'u', 'M', '4373', 'h', '1923', 'q', 'l', 1839, 'h', 'Q', 8321, 'u', 897, 4371, 'e', 'i', 2881, 3099, 'D', 'S', 'r', 'n', 'o', 'Q', 'U', 'd'], [4543, 6105, 7911, 9313, 'W', 'm', 8859, 1183, 3091, 6435, 'H', 'R', '7245', '4079', '7993', 'u', 'T', 'O', 'O', '1575', '4879', 'C', 'C', 'X', '5771', 'L', 'd', '6745', 'F', 'o', '1445', '5195', 'u', 'M', '4373', 'h', '1923', 't', 'H', 'E']