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: 8, 10, ['f', 'F', '4775', 'F', 'w', 'r', 'v', 'S', 'N', '479', 'e', 'u', 'e', 'e', '2081']

Output: 974NS


Input: Consider Input: 5, 6, ['7319', 'U', 'Z', '1163', '8123', '4861', '117', '3893', '2489', 'S', '1511']

Output: 16843218


Input: Consider Input: 4, 14, ['g', 'd', 'n', 'D', 'f', 'H', 'L', 'b', 'd', '4847', 'M', '6723', '6923', 'O', '1233', 't', '4997', 'T', '603', 's', '9011', 'p', 'Z', 'k', 'd', '9779', '1697']


Output: O32963276M7484dbLHfD