In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['M', 'u', 'N', 'y', 295, 3475, 9835, 'H', 4717, 1403, 'Y', 9997, 8009, 'g', 'p', '5225', '6819', '2091', '2855', '3637', '2009', 'v', 'c', 'r', '8173', 'H', 'o', 'N', 'F', '1483', 'w', 3597, 1163, 5869], ['v', 9877, 'x', 5367, 4285, 'B', 4389, 3125, 'J', 'u', 2261, 8063, 'W', 'l', 'I', 'y', 9779, 'g', 'p', '5225', '6819', '2091', '2855', '3637', '2009', 'v', 'c', 'r', '8173', 'H', 'o', 'N', 'F', '1483', 'P', 5999, 'u', 2261, 'd', 'n', 'N', 9087, 'P']