In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
Q: [1423, 2273, 'f', 6867, 'v', 7453, 'v', 8671, 3815, 'v', 8133, '4693', 'x', '4965', 'E', 'T', '7957', 'J', '7793', '9493', 'k', '4601', '7571', '8135', 'S', '4657', 'H', 615, 8731, 933, 9711, 1939, 1977, 2315, 4019, 4337, 5219, 'L'], [3409, 501, '4693', 'x', '4965', 'E', 'T', '7957', 'J', '7793', '9493', 'k', '4601', '7571', '8135', 'S', '4657', 'w', 5647, 8741, 1105, 'E', 'y', 'u', 7195, 5749, 'b', 9499, 'Q']
A:
4693, x, 4965, E, T, 7957, J, 7793, 9493, k, 4601, 7571, 8135, S, 4657