In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4233, 'R', 3325, 7829, 1627, 'K', 9911, 'P', 'g', 'o', '9291', '9355', 'S', 'g', 'a', 'n', '7917', 'w', 'j', 'l', 5475, 'K'], ['x', 8747, 'o', 4291, 'o', '9291', '9355', 'S', 'g', 'a', 'n', '7917', 'w', 'j', 'G', 'I', 3041]