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.

6, 10, ['3799', '8635', '8411', 'Q', '4813', 'v', '9781', 'b', 'B', 'R', '5555', '2269', '7573', 'j', 'G', '6001', 'l', '209', '763', 'b', 'j', 'f', '9975', '2581']
RBb9781v

14, 14, ['1775', 'B', '925', 'c', '219', 'k', '1657', '8799', '4965', '2057', '1029', 'Z', 'V', 'B', '9873', '9905', 'K']
B

11, 13, ['j', 's', 'x', '6429', 'o', '7601', '6953', '2889', '5601', 'e', '8101', 'g', '3011', 'C', 'A', '5893', '5153', 'f', 'c', 'w', '817', 'b', '5077', 'Q']

3011g8101