In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['c', 591, 's', 6797, 7859, 7439, 4287, 'S', 'j', 'P', 'F', 'O', 'z', '761', '6111', 'K', '9813', '1969', 'a', 'p', 'n', '9411', 'z', 'V', 'q', '9139', '365', '6487', '5425', '4887', '9929', '9653', 'x', 'w', 8209, 1091], [965, 9583, 'K', 8755, 'a', 5867, 'B', 9, 'T', 9603, 4865, 3421, 'c', 'k', 'H', '761', '6111', 'K', '9813', '1969', 'a', 'p', 'n', '9411', 'z', 'V', 'q', '9139', '365', '6487', '5425', '4887', '9929', '9653', 'x', 'I', 'x', 633, 't', 'f', 5391, 8245, 'M', 'i', 'G', 7349, 7191]