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

['P', 'S', 9171, 'k', 'W', 4523, 'Z', 4167, 'c', 1143, '4943', '2193', '6839', '5745', 'N', '219', '9797', '8987', '9105', '1975', '3513', '81', 'D', 'n', 'R', 'J', 'z', 'O', 'f', 2527, 7395, 'v', 6495, 9929, 'W', 8051], [9499, 't', 1453, 5771, 7923, 857, 359, 3273, 'a', 6789, '4943', '2193', '6839', '5745', 'N', '219', '9797', '8987', '9105', '1975', '3513', '81', 'D', 'n', 'h', 'f', 2835, 9965, 2423, 6015]
4943, 2193, 6839, 5745, N, 219, 9797, 8987, 9105, 1975, 3513, 81, D, n

['M', 7643, 'K', 8165, 'e', '6737', '6573', '9181', 'n', 'l', '6555', '7291', '1765', 'Q', '4605', '7507', '6775', 'x', 'n', '8703', 'y', '2301', 'E', 'L', 5655, 5237, 'G', 'H', 'g', 'K', 9089], ['t', 1921, 'e', '6737', '6573', '9181', 'n', 'l', '6555', '7291', '1765', 'Q', '4605', '7507', '6775', 'x', 'n', '8703', 'y', '2301', 'E', 'H', 2771, 7085]
e, 6737, 6573, 9181, n, l, 6555, 7291, 1765, Q, 4605, 7507, 6775, x, n, 8703, y, 2301, E

[6823, 'v', 'w', 8379, 6617, 4017, 'S', 939, 7011, 5247, 343, 'z', '6803', '9959', 'Y', '8553', '857', '809', '6785', '7611', 'u', 'R', '6515', 'y', '2543', '7721', 'O', '1251', 'o', '6231', '6017', 'a', '7167', 'f', '4275', '5811', 'A', 'P', 'p', 'M', 'E', 'E', 6473, 3745, 'A', 7011, 9701, 3721], [6465, 'x', 227, 'O', 't', 'L', 4833, 'Q', 8653, 9351, 3919, 3471, 'N', 9899, 'b', 'P', 'R', 6861, 1199, 'A', 8069, 9295, 'k', 5477, 6399, 241, 2563, 7005, 'z', '6803', '9959', 'Y', '8553', '857', '809', '6785', '7611', 'u', 'R', '6515', 'y', '2543', '7721', 'O', '1251', 'o', '6231', '6017', 'a', '7167', 'f', '4275', '5811', 'A', 'P', 'p', 'M', 'E', 'x', 9817, 'u', 'O', 3423, 5325, 6145, 'g', 'l', 6415, 7473, 4337, 'd', 2307, 8979, 5727, 7485]

z, 6803, 9959, Y, 8553, 857, 809, 6785, 7611, u, R, 6515, y, 2543, 7721, O, 1251, o, 6231, 6017, a, 7167, f, 4275, 5811, A, P, p, M, E