In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['r', 4729, 'Z', 3019, 'C', 'c', 'o', '8847', '8791', 'E', '5809', '8225', '6383', '2373', '17', 'B', 'l', '8605', 'C', 'B', 'T', '9281', '333', '675', '5287', 'R', 'Z', 'D', 'E', 'b', 'j', 'q', 'Q', 'm', 's', 8397, 5633, 5613, 'f', 'Y', 'l', 'M'], ['m', 209, 'O', 'm', 'w', 'L', 'P', 3721, 'X', 'q', 6837, 'z', 'A', 'V', 8619, 3679, 'o', '8847', '8791', 'E', '5809', '8225', '6383', '2373', '17', 'B', 'l', '8605', 'C', 'B', 'T', '9281', '333', '675', '5287', 'R', 'Z', 'D', 'E', 'b', 'j', 'A', 'U', 'c', 'Y', 1933, 1977, 3841, 1587, 3381, 3703, 'F', 6557, 'B', 2515, 1319, 'O', 3309, 'F', 9225, 599]