In this task, you are given inputs 'i', 'j', and A, where 'i' and 'j' are integers and A is a list. A list is shown by two brackets and comma-separated numbers and characters inside, like ['1', '12', 'l']. You need to concatenate all elements of A from the ith element to the jth element, and then reverse the resulting string. 'i' and 'j' will be non-negative, and will always have a value less than the length of A. 'i' will always be less than 'j'. Perform the operations in order, i.e., do not reverse first and then concatenate.

[Q]: 14, 18, ['685', 'F', 'O', 'A', '1179', '5015', '4467', 'O', 'q', 'i', '4613', 't', '5519', '411', 'J', 'U', 'O', 'u', '6281', '3915', 'u', '1883', 'h', 'Z', 'p', 'T', '9131', '2625']
[A]: uOUJ114


[Q]: 3, 15, ['O', 'a', '6377', 'R', '1363', '8013', '1923', '4039', 'j', '1365', 'E', 'P', '7225', '7813', 'I']
[A]: I31875227PE5631j9304329131083631R7736


[Q]: 8, 18, ['713', '5829', 'o', 'X', '865', '8389', 'o', '8373', 'j', '5425', '2013', 'S', '3353', '9575', 'B', 'U', '5803', 'R', '4801', '4247', '3227', 'o', '2647', '8517', 'A', '2133', '7901', 'Q', 'q', '2843']
[A]:
R3085UB57593533S31025245j3738