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: 7, 9, ['c', '5457', '1035', 'G', '8985', '3477', 'd', '7679', '6753', '6463', 'U', 't', 'F', '5305', '7807']
Example Output: 67537679d

Example Input: 5, 15, ['X', 'W', 'B', '1047', 'z', 'm', 'E', '8829', 'D', '4935', '957', 'a', '4801', 'c', 'l', 'j']
Example Output: lc4801a9574935D8829Emz

Example Input: 12, 20, ['7325', 'd', '9243', 'b', 'H', 'v', '4031', 'w', 'T', '5983', '9407', '1763', 'j', 'h', '5141', 'T', '2267', '7513', '5159', '1447', '7857', '1809', '2535', '6207']
Example Output:
1447515975132267T5141hj1763