In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7129, 10031, 9505, 7027, 5777, 'e', 'Y', '3263', '8355', '4311', '3557', '4751', '141', '8805', '1387', 'e', '3453', '3105', '7027', '4823', 'b', '6983', '3083', '5331', '9027', '8917', 'S', 'p', 'i', 'W', 'a', '5915', '6289', '521', '4129', 'f', 'k', 'Y', 4605, 'P', 'O', 6319, 'f', 1883, 3241, 245, 'G'], [205, 9315, 5735, 1095, 2015, 'c', 7863, 3143, 'j', 4647, 93, 5875, 2771, 1049, 'U', 1349, 5101, 7703, 'X', 3077, 8333, 'U', 'J', 'L', '3263', '8355', '4311', '3557', '4751', '141', '8805', '1387', 'e', '3453', '3105', '7027', '4823', 'b', '6983', '3083', '5331', '9027', '8917', 'S', 'p', 'i', 'W', 'a', '5915', '6289', '521', '4129', 'f', 'k', 'C', 6611, 6809, 75, 653, 1439, 6403, 8269, 3311, 921, 'W', 'f', 'Q', 'l', 'D', 7391, 9177, 8107, 7351, 't', 4825, 'G', 5779, 2565, 'Q', 'x']