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: 2, 2, ['w', '5569', '6229', 'b']

Output: 9655


Input: Consider Input: 6, 14, ['505', 's', '3619', 's', '2871', '6403', 'b', 'M', 'Q', '9645', '9425', 'V', '873', 'l', '2917', 'Q', '9465', 'z', '1513', 'S', 'e', '9733', '7669', 'B']

Output: l378V52495469QMb3046


Input: Consider Input: 11, 11, ['2125', 'h', '2819', '49', 'l', 't', '399', 'v', '4803', 'k', 'H', 'g', '1227', '3521', 'f', '627', 'b', 'p', '1557', 'L', 'A']


Output: H