In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['p', 'V', 467, 9619, 21, 6735, 7879, 5655, 967, 4567, 7779, 1711, 2147, 4385, 3875, 8183, '4135', 'a', 'p', '5799', 'Y', '5095', 'H', 'E', 'I', 'i', '7953', 'o', '4593', 'i', 'q', 'Z', 'Y', 'g', '4469', 's', 7931, 'c', 6949, 'J', 'E', 'r', 777, 6937, 'q', 'x', 3999], ['y', 'c', 'G', 'a', 8893, 'u', 'K', 'r', 6495, 'T', 5771, 3245, 'A', '4135', 'a', 'p', '5799', 'Y', '5095', 'H', 'E', 'I', 'i', '7953', 'o', '4593', 'i', 'q', 'Z', 'Y', 'g', '4469', 'n', 5319, 5665, 1597, 'H', 199, 5949]