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.

Example Input: 21, 28, ['8641', 'o', '1301', '8225', '8079', 'Y', 'O', '9571', 'n', 'Q', 'n', 'W', '6555', 'm', 'A', 'A', '4459', '5983', '5469', 'd', '6269', 'E', '2107', 'X', '8397', 'f', 'D', '9129']
Example Output: 9219Df7938X7012E9626

Example Input: 7, 17, ['P', '9275', '2025', '6709', 'd', 'j', '745', 'F', 'd', 'T', 'w', 'E', '2915', 'g', 'E', 'r', '8951']
Example Output: 1598rEg5192EwTdF547

Example Input: 9, 14, ['6775', '5635', 'Q', 'D', 'm', 'g', '7121', '1', 'Y', '5653', 'M', '7023', '8971', '1337', '6609', '4749', 'm', 'Q', 'i', '4335', 'y', 'U', 'C', '4989', 'r', 'I', '9181', '1507', '8425', 'w']
Example Output:
733117983207M3565Y