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.

[EX Q]: 22, 26, ['V', 'O', '511', 'c', '4015', 'P', 'R', 'L', '115', 'L', '6809', 'S', '2397', 'X', 'e', 'Y', 'I', 'O', '8125', 'u', 'r', '9403', 'Q', 'i', '5835', 'U', 'm']
[EX A]: U5385iQ3049

[EX Q]: 2, 11, ['p', 'T', 'Z', 'Y', '285', '1191', 'U', '5453', '4243', '9161', 'w', '5191', 'B', '7285', 'D']
[EX A]: w161934243545U1911582YZT

[EX Q]: 7, 29, ['9979', 'Q', '9637', 'L', '6665', 'T', 'v', 'C', 'r', '1655', '7965', 'Q', '8941', 'W', 'W', 'b', 'b', 'V', '4865', 'f', '9033', 'F', 'i', 'X', 'f', 'z', '3529', 'i', 'w', 'a']
[EX A]:
wi9253zfXiF3309f5684VbbWW1498Q56975561rCv