In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['N', 8053, 3155, 7089, 329, 'c', 'g', 4819, 'i', 8305, '6433', 'k', 'y', '2073', 'I', '815', '6967', 'k', 'H', 'v', '8505', '6883', 'T', '1037', 'A', '3389', 'P', 's', 'X', '3753', 'q', 'p', 'Y', 4529, 4893, 'N', 'N', 'f', 'b', 'V', 7363], ['V', 'W', 1295, '6433', 'k', 'y', '2073', 'I', '815', '6967', 'k', 'H', 'v', '8505', '6883', 'T', '1037', 'A', '3389', 'P', 's', 'X', '3753', 'q', 'p', 'T', 'H', 'J', 8477, 'e', 4373, 'M', 2445, 'T', 'U', 'V', 3009, 'X', 'd', 7889]