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]: 2, 5, ['1987', '3507', '839', '3509', '9857', 'V', '9987', 'g', 'G', '7295', 'v', 'b', 'o', 'Q', 'Q', 'x', '3295', '9917', 'R', '221']
[A]: 758990539387053


[Q]: 2, 4, ['i', '2555', 'G', '4549', 'a', '7443', '5361']
[A]: 9454G5552


[Q]: 22, 25, ['7403', 'k', 'g', 'm', 'w', 'w', 'E', 'M', '5939', '6765', 'f', '4243', 'r', '6775', 'a', 'k', 'Y', 'Y', 'F', '9673', '8999', '5235', '9299', '3513', '2501']
[A]:
1052315399295325