In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9081, 'H', 'I', 5759, 3855, 'j', 'S', 'g', 'X', 397, 'z', 'h', 8391, 4633, 2677, 'F', 'T', 4057, 'Y', 'J', 'H', 'u', '3847', '9519', '3515', '917', '8057', 'G', '661', 'y', '5871', 'w', 'k', '2711', 'L', 'e', 'U', 'h', 's', 'p', 'Y', 'm', '7099', 'l', 'S', 7493, 'r', 9603], ['T', 'u', 857, 'K', 'i', 'o', 6701, 'H', 'u', '3847', '9519', '3515', '917', '8057', 'G', '661', 'y', '5871', 'w', 'k', '2711', 'L', 'e', 'U', 'h', 's', 'p', 'Y', 'm', '7099', 'l', 'W', 'g', 8031, 281, 3811, 107, 9083, 711, 8009, 3221, 7059, 'D', 3629, 'T', 4883, 'r', 1797, 'H', 'C', 'I', 'J', 'U']