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.

Example Input: 2, 3, ['5191', '9077', 'a']
Example Output: a7709

Example Input: 3, 10, ['9543', '2797', '3939', '8207', '329', 'l', '5353', '8849', '5579', '7445']
Example Output: 5447975594883535l92370289393

Example Input: 15, 23, ['4945', 'M', '7683', '4865', '3271', '1173', '5147', '6693', '1119', '2191', 'p', '4881', 'w', '3419', 'B', '7045', 'P', 'I', '4869', 'V', '4727', '1493', '4729', 'V', '2589', '55', 'v']
Example Output:
927439417274V9684IP5407B