In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[7975, 4703, 'c', '8363', '1673', 'U', 'w', 6977], [3235, 'G', 'c', '8363', '1673', 'N', 'p']
c, 8363, 1673

[1307, 'u', 'Z', 3323, 191, 'i', 'h', 't', 'L', '8549', '7861', '9747', '3985', 'g', 'r', '1247', 'R', 'S', 'a', 'a', '749', 'C', 'M', 'y', 'h', 7985, 9989, 'j'], [2817, 1955, 2973, 'Y', 9221, 'z', '8549', '7861', '9747', '3985', 'g', 'r', '1247', 'R', 'S', 'a', 'a', '749', 'G', 'M', 2083, 'O']
8549, 7861, 9747, 3985, g, r, 1247, R, S, a, a, 749

['Q', 'N', 'P', 'K', '4217', '8361', 'w', '1461', '7585', '6977', 'H', '593', 'a', '4345', 'p', '1305', 'V', 'Q', 'v', '9359', '3573', 'd', 'U', 'T', '7471', 'v', '7005', 'z', '5275', 'B', 'p', 1231, 'M', 7027, 4419, 705, 7347, 8033, 1529, 5741, 9913, 7947, 2963, 'h'], ['Y', 'c', 'p', 'G', 'q', 'v', 'p', 1491, 'q', 'C', 3137, 9049, 'l', 8179, 4859, 53, 3533, 7931, 'k', 'v', 'Y', 'e', 'j', 8215, '4217', '8361', 'w', '1461', '7585', '6977', 'H', '593', 'a', '4345', 'p', '1305', 'V', 'Q', 'v', '9359', '3573', 'd', 'U', 'T', '7471', 'v', '7005', 'z', '5275', 'y', 'i', 3499, 6011, 1267, 'A', 8347, 'P', 6633, 3055, 'M', 3277, 4935, 'G', 'a', 8191, 1313, 'O', 'Q', 1833, 'n', 2549, 'a']

4217, 8361, w, 1461, 7585, 6977, H, 593, a, 4345, p, 1305, V, Q, v, 9359, 3573, d, U, T, 7471, v, 7005, z, 5275