In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8827, 'K', 7387, 7215, 'Y', '4759', 'V', 'l', '5621', '391', 'V', '6741', 'O', '3153', '4133', '2785', '8699', '9719', '1445', '487', 'm', '3969', 'u', 'u', '8779', 'y', 'R', 7083, 'U', 3361, 'u', 'b', 'M', 5833, 'D', 7509, 'D'], ['Y', 4615, 'l', 2547, '4759', 'V', 'l', '5621', '391', 'V', '6741', 'O', '3153', '4133', '2785', '8699', '9719', '1445', '487', 'm', '3969', 'u', 'u', '8779', 'b', 'W', 3225, 291, 2681, 'Z', 'k', 8059, 'A', 7261, 4877, 2019, 'g', 4621, 4541, 3343, 997, 6091, 5577, 'q']