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

[EX Q]: [7087, 4471, 'P', 'W', 'C', '6301', 'T', '6625', '9345', '4471', '4385', 'H', 'K', 'r', 'Z', 'O', 'y', 'm', 7683, 1493, 'F', 4293, 'z'], [1607, 8143, 'F', 5435, 8723, 'x', 'C', '6301', 'T', '6625', '9345', '4471', '4385', 'H', 'K', 'r', 'E', 1241]
[EX A]: C, 6301, T, 6625, 9345, 4471, 4385, H, K, r

[EX Q]: ['i', 2711, 6903, 1929, 2863, 'b', 5091, 'C', 'g', 'O', '3689', 'B', '6851', '605', '811', '8847', 'a', '3649', '5787', 'B', '6611', 'S', 'M', 5859, 'C', 7687, 'N', 1227, 5881, 8139, 'L', 'u', 1299], [4083, 2455, 'q', 'L', 3689, 'l', 'd', 9587, 'I', 'N', 'O', '3689', 'B', '6851', '605', '811', '8847', 'a', '3649', '5787', 'B', '6611', 'S', 'V', 7521, 'F', 3951, 'm', 'E']
[EX A]: O, 3689, B, 6851, 605, 811, 8847, a, 3649, 5787, B, 6611, S

[EX Q]: [6759, 1053, 1155, 'O', '6949', 'v', 'D', '5869', 'h', 'Y', 'K', 'W', 'G', 6467, 'y', 'a', 9489, 5531, 'K'], ['o', 9631, '6949', 'v', 'D', '5869', 'h', 'Y', 'K', 'W', 'T', 'j', 9325, 3237]
[EX A]:
6949, v, D, 5869, h, Y, K, W