In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5577, 'V', 'R', 7749, 'P', 7921, 'B', '6205', '245', 'j', '6015', '7139', '7495', '3061', '4683', 'v', 'X', 'U', '7019', '4943', '8111', 'A', 'E', '655', '8197', '9847', 'j', 'D', 'H', 'L', 4377, 'z', 6727, 'm', 'S', 5001, 'F', 'h', 'j', 8457], [1021, 9597, 6541, 'c', 'B', '6205', '245', 'j', '6015', '7139', '7495', '3061', '4683', 'v', 'X', 'U', '7019', '4943', '8111', 'A', 'E', '655', '8197', '9847', 'j', 'D', 't', 603, 'y', 5235, 'U', 'b']