In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['w', 'i', 'f', 7069, 'n', 'V', 'M', 5305, 9877, 'c', 't', 'D', 'c', 3603, 'm', '9145', '6077', 'Z', 'V', '1841', '9343', 'G', '7031', 'k', '2753', '5905', 'U', 'j', '6805', 'C', '7005', '873', '9479', '5131', 'A', 'i', '573', 'F', 't', 7717, 737, 4069, 'F', 3157, 5845, 'f', 7955, 'R', 8517, 2987, 'o', 'N', 611, 6545, 3907, 'z'], [1625, 'b', 'Q', 'X', '9145', '6077', 'Z', 'V', '1841', '9343', 'G', '7031', 'k', '2753', '5905', 'U', 'j', '6805', 'C', '7005', '873', '9479', '5131', 'A', 'i', '573', 'F', 'r', 'Q', 7313, 2231, 'B', 'I', 4399, 'u', 5305, 7053, 'h', 'u', 'a', 5855, 9717, 4461, 3641, 2949, 7833, 'I']