In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8341, 779, 'c', 2495, 3455, 8985, 9367, 'M', 'k', 'n', 'n', 'c', 't', 'j', 'W', 'U', 7833, 7695, 1527, 4997, 'S', '2823', 'o', '7335', '2305', '8469', '5035', '4873', 'p', '3527', 'a', 'j', 'Z', 'h', '283', 'D', 'n', 'B', '849', 'b', 'o', 'L', 'R', 8339, 2707, 8277, 'W', 5511, 2701, 'd', 4867, 3059, 'L', 'D', 'S', 6369, 'Y', 2729, 6115, 'g', 863, 'e'], ['J', 'J', 'h', 'T', 'W', 'W', 'U', 7335, 4993, 'y', 7731, 3965, 'A', 'u', 'W', 's', 'C', 'b', 'R', 'v', 'K', 'S', '2823', 'o', '7335', '2305', '8469', '5035', '4873', 'p', '3527', 'a', 'j', 'Z', 'h', '283', 'D', 'n', 'B', '849', 'b', 'o', 'p', 1501, 'x', 5851, 1933, 'c', 903, 'z', 'x', 'S', 893, 881]