In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4455, 'Z', '5477', '7049', '5519', 'c', '829', '535', 'L', 's', '1037', 'X', 'o', '7847', 'C', '7217', '7097', 'q', '8795', 'T', 6941, 'E', 'T', 6251, 'a', 'c', 8399, 'T', 'C', 'K', 9889, 4987, 't'], [1551, 969, 'W', 'x', 4191, 'c', 's', 'r', 5183, 'a', 2381, 7933, 723, 2427, 'N', 7155, 2415, '5477', '7049', '5519', 'c', '829', '535', 'L', 's', '1037', 'X', 'o', '7847', 'C', '7217', '7097', 'q', '8795', 'N', 3187, 753, 4483, 2313, 8525, 5435, 'G', 1901, 9087, 'V']