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: 3, 8, ['s', '8395', '7689', 'x', 'P', '5953', 'X', 'D']
Example Output: DX3595Px9867

Example Input: 5, 8, ['g', 'a', '2875', '9581', '3263', '3103', 'J', 'b', 'h']
Example Output: bJ30133623

Example Input: 9, 14, ['2797', 'q', '9175', 'b', 'Q', 'c', 'W', '2749', '5637', '5843', '5209', '4669', 'x', '8569', '9805', 'F', '3173']
Example Output:
9658x9664902534857365