In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: [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]

Answer: 7169, 129, Z, K, r, o, v, 1713, g, A, h, e, 421


Question: [5451, 't', 'Q', 5199, 'A', 'P', '5961', '133', 'Q', 'V', '7547', '899', '6027', '439', 'u', 'l', 'o', 9943, 'b', 'm'], [1925, 'Q', 'D', '5961', '133', 'Q', 'V', '7547', '899', '6027', '439', 'H', 3347]

Answer: 5961, 133, Q, V, 7547, 899, 6027, 439


Question: [1387, 'V', 'J', 2387, 905, 'k', 6665, 4039, 't', 4183, 7831, 'i', '6139', '9593', '3649', '7651', 'K', '1039', '2509', 'H', 'u', 'K', 'V', 'X', 'K', 'r', 'D', 'c', 'c', 'a', 7315, 'x', 'M', 6027, 3431, 5657, 7065, 'R'], [6191, 6925, 'o', '6139', '9593', '3649', '7651', 'K', '1039', '2509', 'H', 'u', 'K', 'V', 'X', 'K', 'r', 'G', 'b', 8299, 'R', 6407, 5467, 8787, 9349]

Answer:
6139, 9593, 3649, 7651, K, 1039, 2509, H, u, K, V, X, K, r