In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['L', 'Q', 'T', 'I', 8921, 8313, 'w', 'Y', 3571, 315, 819, 3999, 'M', 3547, 'f', 4889, 8619, 'e', 4027, 7721, 1383, 6167, 'p', 'S', 't', 'N', 481, 9021, 'l', 'y', '2949', 'j', '6777', '2619', 'F', '8011', '1143', '9173', 'w', 'R', '881', 'S', '4157', '6249', 'q', '7029', 'I', '3313', 'E', '9927', 'v', '5367', '5769', '3819', 't', '3899', 'E', '355', 'g', 'p', 7369, 2035, 'u', 'K', 'n', 8297, 'P', 2657, 3759, 7081, 1559], [9903, 8979, 4023, 4623, 'X', 'z', 'x', 'm', 6661, 7371, 8823, 2211, 9133, 'j', 'X', 'y', '2949', 'j', '6777', '2619', 'F', '8011', '1143', '9173', 'w', 'R', '881', 'S', '4157', '6249', 'q', '7029', 'I', '3313', 'E', '9927', 'v', '5367', '5769', '3819', 't', '3899', 'E', '355', 'g', 'D', 'C', 'q', 2797, 1197, 6247, 'L', 'r', 'H', 'h', 395, 'i', 'w', 2323, 'H', 'K', 'C', 'M', 's']