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

[7491, 'w', 'F', 2929, '6969', '2729', '4371', '6153', 'a', 'r', 'y', 'h', 'y', 'g', 'C', '1381', '5801', '8697', '4093', 'X', 'n', 821, 1983, 'S', 6305, 'O', 6533, 'q', 901, 'U', 2911], [3143, 1605, 4373, 'T', 7055, '6969', '2729', '4371', '6153', 'a', 'r', 'y', 'h', 'y', 'g', 'C', '1381', '5801', '8697', '4093', 'r', 'Z', 943, 861, 8883, 'b', 'n', 3409, 8943, 'M']
6969, 2729, 4371, 6153, a, r, y, h, y, g, C, 1381, 5801, 8697, 4093

[3299, 9737, 'M', 'P', 'H', '6993', '7079', 'k', 'u', 'k', '2129', 'm', 'l', '7993', 'i', '3657', 'u', 'u', 'Z', 'O', 'c', '7045', '8071', 'z', 'P', '7919', 'F', 4343, 'E', 'S', 'R', 'w', 'c', 2571, 9369, 8565, 6599], ['z', 4799, 'J', 'G', 'z', 2263, 8619, 'Y', 'I', 'b', 'K', 'l', 7535, 'm', 'i', 2287, 4413, 189, '6993', '7079', 'k', 'u', 'k', '2129', 'm', 'l', '7993', 'i', '3657', 'u', 'u', 'Z', 'O', 'c', '7045', '8071', 'z', 'P', '7919', 'T', 6699, 7547, 9497, 'K', 3003, 165, 5157, 'b', 7321, 'V', 6099, 6161]
6993, 7079, k, u, k, 2129, m, l, 7993, i, 3657, u, u, Z, O, c, 7045, 8071, z, P, 7919

[9815, 'n', '1267', 'a', 'p', 'O', 1875, 2523], ['Y', 'm', '1267', 'a', 'p', 'd', 79]

1267, a, p