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

['Q', 'I', 't', 'b', 9175, 2827, 'P', 'v', 8293, 'c', 1863, 'J', 's', '6749', '5147', 'e', 'O', '8605', '613', '7647', '5691', 'v', '2303', '7061', '1091', '8563', 'T', '511', 'U', '8991', '231', 'f', '8793', '2147', '6075', 'p', 'i', 9597, 4909, 'J'], ['S', 'a', 9123, 'I', 'F', 'z', 3481, 4235, 'X', 'I', 6447, 6365, 'T', '6749', '5147', 'e', 'O', '8605', '613', '7647', '5691', 'v', '2303', '7061', '1091', '8563', 'T', '511', 'U', '8991', '231', 'f', '8793', '2147', '6075', 'p', 'Q', 'R', 'W', 'm', 719, 'A', 'h', 3093, 'O', 8221, 9879, 'W', 6953, 8729, 2853, 3651, 'X', 2079, 4499, 'Q', 7143]
6749, 5147, e, O, 8605, 613, 7647, 5691, v, 2303, 7061, 1091, 8563, T, 511, U, 8991, 231, f, 8793, 2147, 6075, p

['X', 9737, 6673, 165, 5345, 'F', 'I', 'X', 2467, 'X', 'I', 'b', 'Q', 'z', 'v', '3523', '4717', 'a', 'A', 'Q', '5235', '1399', 's', '5195', '1327', 'd', 'n', 'E'], [9725, 'G', 121, 'U', 2663, 'I', 'J', 2523, 'S', 'n', 'I', 'b', 'Q', 'z', 'v', '3523', '4717', 'a', 'A', 'Q', '5235', '1399', 's', '5195', '1327', 'O', 2705, 5041, 8019, 'P']
I, b, Q, z, v, 3523, 4717, a, A, Q, 5235, 1399, s, 5195, 1327

[4887, 6153, 'x', 's', 9871, 'K', 'a', 'i', '5021', 'R', '3649', '2839', '3983', '19', '4203', '8833', '6845', 'F', 'P', '2437', 'Q', '5525', '1011', 'c', '9215', '3123', '4993', 'N', '3263', 'e', 'K', 'W', 'm', 's', 'O', 'd', 7089, 'q', 'm', 3637, 7099, 'P', 7695, 'n', 7649, 449, 'h', 'S'], ['K', 'l', '5021', 'R', '3649', '2839', '3983', '19', '4203', '8833', '6845', 'F', 'P', '2437', 'Q', '5525', '1011', 'c', '9215', '3123', '4993', 'N', '3263', 'e', 'K', 'W', 'm', 'x', 'U', 3659, 6841, 3667, 1191, 'p', 7189, 'A', 'y', 'Z', 4583, 'g', 1807, 'N']

5021, R, 3649, 2839, 3983, 19, 4203, 8833, 6845, F, P, 2437, Q, 5525, 1011, c, 9215, 3123, 4993, N, 3263, e, K, W, m