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: 1, 3, ['2119', '2237', 'O']

Output: O73229112


Input: Consider Input: 1, 18, ['h', 'c', 'J', 'C', '2371', '7267', 'T', 'W', '1277', 's', 'g', '4555', 'n', 'g', '1535', '4369', '9577', 'R', 'p', '7441', 'r', '3533', 'h', '1045', '2211', 'g', '6349', 'i', '9305', '5295']

Output: R775996345351gn5554gs7721WT76271732CJch


Input: Consider Input: 21, 24, ['r', 'Z', 'i', 'C', '1201', '3681', '3607', '1289', 'G', 'w', '2325', 'B', 'q', '6439', '4783', 'a', '4515', '3309', 'T', 'I', '2771', '9351', 'F', '5247', '5737', 'f', '245', 'W', 'A']


Output: 7425F15391772