In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7531, 5595, 7999, 967, 3121, 'K', 9801, 'Q', 'g', '8615', 'J', 'l', 'o', '8273', '8409', 'O', '1715', 'z', '5861', 'r', '7033', 'j', 'q', 'N', 'V', 'a', '7195', 'P', 'Y', 'e', 'y', 'x', '4091', 's', '2459', '7685', 'E', 6613, 3995, 745, 'c', 5851, 7033, 9985, 433, 'U', 'y', 'E', 5019, 1303, 'K', 5725, 'k', 'c', 'G', 'x', 'p', 'M', 'j', 'W'], [5817, 'U', 'G', 8433, 3081, 8265, 4031, 'I', 9847, 'S', 'b', 'H', 6799, 5091, 2603, 2317, 2757, 5229, 'm', 's', 'w', 'z', 'T', '8615', 'J', 'l', 'o', '8273', '8409', 'O', '1715', 'z', '5861', 'r', '7033', 'j', 'q', 'N', 'V', 'a', '7195', 'P', 'Y', 'e', 'y', 'x', '4091', 's', '2459', '7685', 'o', 'q', 'L', 9537, 1063, 'K', 'O', 8333, 's', 7049, 'F', 'r', 6539]