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: 5, 8, ['g', 'a', '2875', '9581', '3263', '3103', 'J', 'b', 'h']

Output: bJ30133623


Input: Consider Input: 3, 4, ['435', 'K', '8051', '7159']

Output: 95171508


Input: Consider Input: 5, 18, ['717', 'v', '3487', 'N', 'u', '5127', '6097', '9723', 'c', '1607', '3481', 'Q', '9793', 'G', '7191', 'P', 'X', 'Y']


Output: YXP1917G3979Q18437061c327979067215u