In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7055, 'd', 'X', 'c', 'M', 'N', 3125, 'B', 'H', 6031, '1819', 'P', 'b', '7783', 'K', '823', '7489', '3057', 'e', '3403', 'Y', 'u', 'o', 6033, 'I', 9899, 1169, 'O', 'P'], ['r', 'd', 9649, 'c', 'D', 'Z', 8777, '1819', 'P', 'b', '7783', 'K', '823', '7489', '3057', 'e', '3403', 'o', 2811, 's', 'n', 'z', 't', 7113]