In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2429, 6485, 'S', 5143, 'a', 5461, 8717, 5801, 'U', 4183, 'n', 'w', 679, 5949, 7969, 'D', 'R', 9425, 7989, 4011, 4259, 'f', 't', '3237', '8691', 'V', 'n', 's', '6273', '3075', '3011', 'i', '4043', 'X', 'V', '9375', 'F', '3397', 'R', '393', 'G', '3383', 'e', 'o', '6699', 'Z', 'J', 'e', 'B', 'i', 8741, 'B', 549, 4611, 1941, 1445, 6095, 'z', 'j'], [6679, 8025, 755, 925, 'f', 't', '3237', '8691', 'V', 'n', 's', '6273', '3075', '3011', 'i', '4043', 'X', 'V', '9375', 'F', '3397', 'R', '393', 'G', '3383', 'e', 'o', '6699', 'Z', 'J', 'N', 6727, 3763, 2851, 'U']