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.

2, 14, ['8035', 'N', 'R', 'U', '5691', 'j', '5635', 'c', '3641', 'K', '6871', '8663', '7525', '4031', '5395', 'r', '7549', '3023', 'Y', 'V', '1351', '2397']
1304525736681786K1463c5365j1965URN

5, 5, ['4733', 'G', '9275', '7757', 'I', 'v', 'z', 'p', 'Z']
I

6, 16, ['1291', 'p', 's', '3489', 'c', 'g', '3657', '5291', '6851', '7215', '3159', '713', '6011', '6907', 'g', 'b', '9073']

bg7096110631795135127158619257563g