In this task, you are given inputs i, j, and A, where i and j are integers and A is a list. You need to find all elements of A from the ith element to the jth element, reverse the order in which they occur, and then concatenate them to output the resultant 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 concatenate the elements and then reverse the string.

Example Input: 2, 4, ['v', '807', 'C', 'n', '7213', 'l', '5943']
Example Output: nC807

Example Input: 6, 10, ['9221', 'y', '3001', 'E', 'S', '5397', '6263', '1465', '7881', '5673', 'A', 'G', '4225', 'K', 'e', 'X', 'A']
Example Output: 56737881146562635397

Example Input: 2, 3, ['R', '9171', 'e', '6887', '965', '8905']
Example Output:
e9171