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: 1, 2, ['U', 'G', 'N']
Example Output: GU

Example Input: 19, 28, ['d', 'G', '2901', 'D', 'z', '7433', 'F', '8401', 'f', '5393', 'K', '7041', 'l', '3029', '8013', '1535', 'G', 'G', 'k', 'K', '2731', 'a', '955', 'D', '6419', '379', '1593', '4949', '267']
Example Output: 494915933796419D955a2731Kk

Example Input: 9, 16, ['3705', 'C', '8419', '1223', '8929', 'V', '93', 'U', 'U', '1961', 'g', 'l', 'f', '865', 'F', '2911', 'r', 'y', '5355', '2459', 'l', '9433', 's', 'x', 'r', '7999']
Example Output:
2911F865flg1961U