In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5737, 1229, 7947, 'P', 5939, 7051, 'e', 7991, 8203, 'b', 'j', 4697, 3521, 4551, 1375, 'C', 'N', 'Z', 2641, 'w', 7845, '7027', '1591', 'B', 'o', 'J', 'j', 'W', 'l', '3427', '8007', '3915', 'O', '2013', 'M', '2263', '5355', 'Q', 'R', '6275', '2339', '4361', '3349', 'R', '3971', 'b', 'X', 'g', 2457, 'u', 'f', 3593, 'K', 3831, 5341, 4981], [1437, 'Z', 'c', 'g', 'R', 'd', 'W', 8969, 'O', 'd', 'e', 37, 6477, 5073, 'V', 'k', 7057, 3557, 3163, 'z', '7027', '1591', 'B', 'o', 'J', 'j', 'W', 'l', '3427', '8007', '3915', 'O', '2013', 'M', '2263', '5355', 'Q', 'R', '6275', '2339', '4361', '3349', 'R', '3971', 'b', 'm', 'p', 6695, 'z', 1355, 'Q', 8849, 'V', 'x', 3469, 6349, 657, 'J']