In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7355, 4883, 6433, '3649', 'W', 'b', '7779', 'C', 'g', '7763', '2989', '9', 'w', '8329', '2321', '9995', 'M', 'a', 'M', 'b', 'W'], [819, 3237, 7541, '3649', 'W', 'b', '7779', 'C', 'g', '7763', '2989', '9', 'w', '8329', '2321', '9995', 'M', 'a', 'K', 'W', 'K', 'a', 4751, 'n', 4041, 9181, 'd', 'G', 'B', 545, 9173, 1851, 'e']