In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7381, 'F', 'J', 4603, 1905, 'T', 'A', 'K', 5817, 5913, 'y', 'o', 3299, 'k', '1027', '4471', '8995', 'E', '3887', 'I', 'w', 'u', '5501', 'C', '511', 'T', '5229', '9881', '8883', 'z', '7971', '9231', '1471', 'K', 'p', 'T', '3407', '7131', '83', '7411', '6951', '4883', '3259', 'O', 6195, 2421, 'd', 2121, 7979], ['O', 3973, 1873, 8011, 'W', 9951, 'f', 'c', 'o', 'm', 8729, 7271, 8713, 4005, 'a', 6011, 'X', 'F', 4973, 7915, 1023, 9405, 'f', 's', 8135, 'f', 9243, 'k', '1027', '4471', '8995', 'E', '3887', 'I', 'w', 'u', '5501', 'C', '511', 'T', '5229', '9881', '8883', 'z', '7971', '9231', '1471', 'K', 'p', 'T', '3407', '7131', '83', '7411', '6951', '4883', '3259', 'T', 8231, 1091, 'N', 'Q', 'N', 'S', 9757, 'J', 'F', 8329, 967, 563, 'u', 'j', 'C', 'O', 7673, 'u', 'N', 'u', 'C', 'W', 7523, 7949, 'L', 8009, 621, 6385, 9569]