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: 1, 6, ['i', '8793', 'i', 'E', 'P', 'h', 'v', '4901', 'I', 'E', 'R', '35', '9175', 'G', 'C', '395', '7333', 'q']
Example Output: hPEi3978i

Example Input: 2, 8, ['O', '4833', '7055', '9891', '9117', '1571', 'S', 'Z', '7741', 'W', 't']
Example Output: ZS17517119198955073384

Example Input: 5, 15, ['7413', '6175', '5121', 'H', 'm', '9633', '5963', 'g', 'N', 'j', '3293', 'l', 'l', '4751', '1281', 'b', 'b', '1591']
Example Output:
18211574ll3923jNg36953369m