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

['g', 305, '8447', 'K', 'y', 'D'], [2445, 5519, '8447', 'K', 't', 'l']
8447, K

[865, 4499, 'r', 'O', 4025, 5249, 9867, 'O', 2025, 1023, 9189, 'S', 'Q', 5331, 'm', 7337, 'B', 6937, 7583, 'o', 8699, 8305, 9597, 'r', 'r', 8213, 7893, 7141, 7449, 'P', '7239', '4295', '9503', 'x', 'z', 'h', '6489', 'U', 'M', '2129', '3813', 'f', 'v', '5811', '5409', 'K', '2183', 'm', '7329', 'u', '1895', 'b', '5159', '3021', '2945', '1379', 'R', 'k', '311', 'P', 'S', 'K', 5661, 4351, 4195, 8149, 2705], [6305, 'V', 'o', 4749, 6933, 3931, 6023, 'z', 'K', 'v', 1363, 'B', 'P', '7239', '4295', '9503', 'x', 'z', 'h', '6489', 'U', 'M', '2129', '3813', 'f', 'v', '5811', '5409', 'K', '2183', 'm', '7329', 'u', '1895', 'b', '5159', '3021', '2945', '1379', 'R', 'k', '311', 'T', 'i', 3163, 9369, 3089, 't', 1569, 4501, 9953, 'g', 'u', 5765, 'R', 1767, 'b', 6471, 5435, 7113, 273, 'M', 'K', 'c', 9399, 7049, 7123, 5013, 4341, 'M', 2285, 9527]

P, 7239, 4295, 9503, x, z, h, 6489, U, M, 2129, 3813, f, v, 5811, 5409, K, 2183, m, 7329, u, 1895, b, 5159, 3021, 2945, 1379, R, k, 311