In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['a', 7001, 'C', 'i', 'h', 2637, 'Q', 4545, 6175, 109, 'E', 5955, 'c', 'k', 2611, 421, 'g', 'e', 'K', '3459', 'a', '8463', 'S', '2989', 'd', '9265', '7965', '5241', '6213', '9465', 'V', 'J', 'T', 'f', 'M', '6949', 'g', '9151', 'q', 'S', '7843', 'R', '8339', 'f', 't', 1841, 4023, 7529, 3227, 'I', 595, 5433, 1035, 4273], ['k', 'z', 'd', 'b', 'g', 'e', 'K', '3459', 'a', '8463', 'S', '2989', 'd', '9265', '7965', '5241', '6213', '9465', 'V', 'J', 'T', 'f', 'M', '6949', 'g', '9151', 'q', 'S', '7843', 'R', '8339', 'f', 'B', 'q', 'F', 6341, 'r', 'u', 'H', 's', 3873, 4181, 'n', 4563, 243, 5307, 2873, 5697, 2923, 'y', 'w', 5675, 'p', 6177, 'C', 'J', 6295, 4765, 981, 909]