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]: 7, 17, ['P', '9275', '2025', '6709', 'd', 'j', '745', 'F', 'd', 'T', 'w', 'E', '2915', 'g', 'E', 'r', '8951']
[EX A]: 1598rEg5192EwTdF547

[EX Q]: 5, 12, ['t', '4541', 'z', 'K', 'b', 'E', '3395', 'z', '4511', 'F', '7085', '3753', 'n', 'W', 'J']
[EX A]: 35735807F1154z5933Eb

[EX Q]: 13, 14, ['Y', 'V', 'k', 'G', 't', '9835', 'u', '2415', 'L', 'Z', 'b', 'D', 'N', '5929', 's', '9479', 'Q', 's']
[EX A]:
9295N