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.

8, 21, ['7449', 'R', '469', 'm', 'A', '817', '9583', '239', 'n', '3597', 'C', '6853', '2745', '3827', '5775', 'x', '3875', '7503', '8903', '9679', '819']
8199679890375033875x5775382727456853C3597n239

1, 26, ['K', '1315', '6899', 'p', '6327', '1883', '3369', '5089', 'b', '4927', '7573', '7841', '8563', '9929', '7503', 'A', 'Z', '3503', '9973', '7129', '7293', 'c', '4085', '9573', 'l', '6307', '7173']
6307l95734085c7293712999733503ZA750399298563784175734927b5089336918836327p68991315K

3, 9, ['y', 'b', 'o', 'B', 'N', 'j', 'o', 'C', '1309', '9835', 'Y', '3997', '5815', '6143', '2523', 'W', '1395', 'u', 'R', '2863', '4151', '3563', '551', '4151', 'k', 'E', 'x', '4741', '811']

1309CojNBo