In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['B', 'H', 'N', 'B', 3443, '5521', 'u', 'v', 'z', '6059', '4025', 'V', '6001', 'l', '2577', '5697', '5725', 'l', '827', 'j', 'Z', '5749', '8767', '2483', 't', '9807', '3767', 'C', 'a', 'L', 'j', 9287, 7101, 6171, 'M', 7137, 7343, 8503, 357, 8269, 7347, 'e', 8487, 'I', 's', 2153, 7445, 'T', 9331, 3027], [6425, 1159, 'W', '5521', 'u', 'v', 'z', '6059', '4025', 'V', '6001', 'l', '2577', '5697', '5725', 'l', '827', 'j', 'Z', '5749', '8767', '2483', 't', '9807', '3767', 'C', 't', 2031]