In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7673, 'A', 8033, 7097, 5745, 'f', 'T', 2287, 6785, 'q', 'R', 8883, 1995, 963, 'H', 715, 'O', 2135, 'b', 'X', 'M', 'C', 'S', '2949', '8273', 'd', '6839', '8991', 'V', 'z', '7259', '9781', '3429', '2447', '4801', '1439', 'g', 3451, 813, 10003, 'S', 'N', 7355, 4551, 'o', 6559, 9115, 'P', 4727, 'M', 'B', 879], ['k', 'j', 'g', 'F', 'E', 'z', 2413, 'Z', 'M', 7651, 5745, 9959, 'C', 1675, 'f', 7391, 'b', 'X', 'M', 'C', 'S', '2949', '8273', 'd', '6839', '8991', 'V', 'z', '7259', '9781', '3429', '2447', '4801', '1439', 'C', 'h']