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.

Ex Input:
14, 24, ['7539', '1653', '1415', '4545', '1969', '2893', 'W', '6317', 'v', '9095', '6265', 'X', '4399', '245', 'f', '8721', 'A', 'b', '7885', '8541', '8251', 'L', 'G', '6781']

Ex Output:
6781GL825185417885bA8721f245


Ex Input:
5, 18, ['4601', 't', '8049', 'E', '8955', '9917', '2659', '533', 'I', 'm', '2911', '9549', 'S', 'R', 'E', '5993', 'S', 's', 'm', 's', '4683', '1375', 'F', 'Y', '2527', '5497', '1513', 'K']

Ex Output:
sS5993ERS95492911mI533265999178955


Ex Input:
2, 10, ['t', 'l', '8327', '9629', '737', 'f', '2799', 'V', '4279', 'O', 'w', '3361', 'J']

Ex Output:

O4279V2799f73796298327l