In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['t', 6479, 'Z', 385, 'Q', 3127, 6627, 'x', 8893, 'J', 1899, 'r', 1301, 'b', 'd', '7639', 'w', '5741', '2197', '7259', '9187', 's', '4701', '9589', '4835', 'F', '8961', 'f', '3073', '4559', '835', 'w', 9577, 1241, 'm', 'o', 2203, 2337, 6953, 'g', 3861, 'K', 'L', 9447, 'j'], ['N', 'Z', 'J', 'm', 't', 'b', 'Z', 3797, 'h', 6141, 5061, 'D', 4279, '7639', 'w', '5741', '2197', '7259', '9187', 's', '4701', '9589', '4835', 'F', '8961', 'f', '3073', '4559', '835', 'o', 6743, 69, 8623, 6377]