In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['k', 521, 'b', 'j', 8637, 2323, 'S', 2743, 'I', 5351, 'B', 1525, 6545, 5197, 'Y', 'S', 'F', '8581', 'C', '2183', 'Q', 'N', '1435', 'E', '8709', '7613', 'C', '7381', '7499', '9041', '1479', 'I', 's', '7101', '6233', '9063', '9969', '5315', 'e', '2495', 'x', 8587, 1937, 1217, 'w', 'o', 'J', 'H', 'N'], [4927, 7101, 1961, 1277, 6009, 'x', 6541, 'h', 'S', 'F', '8581', 'C', '2183', 'Q', 'N', '1435', 'E', '8709', '7613', 'C', '7381', '7499', '9041', '1479', 'I', 's', '7101', '6233', '9063', '9969', '5315', 'e', '2495', 'f', 't', 'l', 3599, 'z', 'S', 7683, 'I', 101, 'D', 'E', 4087, 3221, 'n', 'R', 1809, 7069, 7145, 5573, 8597, 2473]