In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8077, 'R', 2011, 55, 1009, 8567, 9789, 'Z', 6961, 4127, 7449, 'W', 6353, 'Y', 2579, 'b', 'k', 7621, 'l', 7805, 'X', 7955, 2953, 9803, 'g', 'R', 'y', 'p', '6869', 'x', 'y', 'D', 'Q', '3313', 'f', '4831', 'G', '9709', '9417', '1361', '3101', '3217', 'V', 'h', 'T', 'd', '3771', '2939', 's', '8673', 'V', 'k', 'u', 2579, 1223, 993, 'a', 'r', 3831, 'c', 'g', 3005], [1619, 8533, 'y', 1901, 'Y', 'k', 903, 6163, 4561, 'K', 5283, 7863, 3311, 1877, 'p', 9201, 2691, 7929, 'b', 't', 'R', 'y', 'p', '6869', 'x', 'y', 'D', 'Q', '3313', 'f', '4831', 'G', '9709', '9417', '1361', '3101', '3217', 'V', 'h', 'T', 'd', '3771', '2939', 's', '8673', 'j', 8605, 629, 5529, 'y', 5017, 'w', 5877, 4803, 8305, 8167, 2253, 'S', 'K', 4881, 'U', 5611, 'j', 2777, 8123, 'N', 'y', 2651]