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

[1699, 5363, 'U', 3351, 'K', 1771, 8981, 'y', 4317, 'P', 'H', 'f', 'j', '7169', '129', 'Z', 'K', 'r', 'o', 'v', '1713', 'g', 'A', 'h', 'e', '421', 'a', 'b'], [1477, 'o', 'h', 4413, 'Y', 'V', 4539, 't', 'S', 3527, 9183, 9541, '7169', '129', 'Z', 'K', 'r', 'o', 'v', '1713', 'g', 'A', 'h', 'e', '421', 'j', 'V', 8579, 3395, 'l', 'X', 'l', 'm', 4239]
7169, 129, Z, K, r, o, v, 1713, g, A, h, e, 421

['Y', 'z', 5335, 'X', 3843, 'D', 4457, 2327, 'V', 7231, 'y', 4551, 'W', 9241, '7147', '6713', '9717', '8795', '3161', 'V', '1129', '2943', '9809', 'a', '3273', 'y', 'R', 'M', 'g', 'E', 'D', 'd', 'x', 5331, 7187, 'J', 3839, 't'], [1485, 'f', 8207, 5859, 'D', 'k', 't', 'r', 'z', 613, 9091, 4893, 5755, '7147', '6713', '9717', '8795', '3161', 'V', '1129', '2943', '9809', 'a', '3273', 'y', 'R', 'M', 'Q', 5331, 'c', 3531, 6477, 'a']
7147, 6713, 9717, 8795, 3161, V, 1129, 2943, 9809, a, 3273, y, R, M

[239, 3757, '7005', 't', 'Q', 'w', 'V', 'V', 'Z', 'H', 'l', 'F', 'F', 257, 965, 2997, 'M', 'u', 'C', 5193], [3755, 5261, 4225, 'K', 'z', 7289, '7005', 't', 'Q', 'w', 'V', 'V', 'Z', 'H', 'l', 'O', 'z', 'B']

7005, t, Q, w, V, V, Z, H, l