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: 8, 12, ['C', 'w', 'Q', '8125', '4579', '8495', '363', 'a', 'C', 'T', '7905', '2631']
Example Output: 13625097TCa

Example Input: 1, 8, ['7991', '7999', '8575', '4211', '6003', '2483', '7877', '7249', 'K', '21']
Example Output: 94277787384230061124575899971997

Example Input: 5, 9, ['9875', '21', '5063', '4809', '1923', 'N', '4457', 'V', 'l', '7987']
Example Output:
lV7544N3291