In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['G', 'X', 'M', 8461, 4539, 3107, 'W', 9915, 2905, 4549, 't', 7525, '3047', 'G', 'C', 'U', 'i', 'M', '4625', 'R', 'f', '8081', '147', '8635', 'd', '7845', '581', '9369', 'L', 5199], ['J', 3809, 'g', 'r', 'G', 'T', 'T', 9027, 'z', 9711, 'F', 5345, 'c', 'T', '3047', 'G', 'C', 'U', 'i', 'M', '4625', 'R', 'f', '8081', '147', '8635', 'd', '7845', '581', '9369', 'J', 9613, 'v', 9885, 327, 'W', 's', 'i', 'l', 'Y']