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, 3, ['6017', 'o', '1817', 'W']
Example Output: 7181o7106

Example Input: 5, 6, ['7319', 'U', 'Z', '1163', '8123', '4861', '117', '3893', '2489', 'S', '1511']
Example Output: 16843218

Example Input: 1, 8, ['667', '5455', 'J', '8361', '1543', '5049', '5961', '8987', 'z', '5757', 'p', '1409', '5311', 'P']
Example Output:
78981695940534511638J5545766