In this task, you are given inputs 'i', 'j', and A, where 'i' and 'j' are integers and A is a list. A list is shown by two brackets and comma-separated numbers and characters inside, like ['1', '12', 'l']. You need to concatenate all elements of A from the ith element to the jth element, and then reverse the resulting 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 reverse first and then concatenate.

Input: Consider Input: 4, 4, ['u', 'Z', 'e', '253', '2663', 'q', '8421', '2509', '2831', 'H']

Output: 352


Input: Consider Input: 3, 7, ['u', '1307', 'F', '8027', 'r', '4559', 'F', 'm', '9805', '5063']

Output: F9554r7208F


Input: Consider Input: 11, 21, ['u', '9897', '1375', 'g', 'X', '8959', 'I', '731', '9503', 'Q', 'b', 'T', '5231', 'h', '2097', 'O', 'v', '4005', 't', 'P', '7785', '3567', 'm', '8287', 'd', '6123', '3145', '3089']


Output: 5877Pt5004vO7902h1325Tb