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]: 15, 23, ['Z', 'h', '4813', '7715', '8439', 'K', '9249', 'F', '9871', '6511', '1841', '4613', '5657', '8623', '4613', '8861', 'v', '3809', 'F', '7859', '9527', '4655', 'l', '8455', '4727', 'V', 'I', 'H', '3505', '6039']
[A]: l556472599587F9083v16883164


[Q]: 3, 4, ['E', 'k', '4697', 'f', 'J', 's', '1265', '4673', 'D', '3345', 'n', '5593', '2249', '5951']
[A]: f7964


[Q]: 18, 18, ['V', '2993', 's', 'U', 'V', '5029', 'O', '5407', 'r', '1275', 'U', 'C', 'Y', 'e', '2687', 'v', '3843', 'j', '357', '3775', '1173', '6357', 'v', 'Y', '3287', 'Y']
[A]:
j