In this task, you are given inputs i, j, and A, where i and j are integers and A is a list. You need to find all elements of A from the ith element to the jth element, reverse the order in which they occur, and then concatenate them to output the resultant 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 concatenate the elements and then reverse the string.

Ex Input:
24, 24, ['x', 'F', '6051', 'J', 'v', 'f', '757', 'l', '5555', 'Z', 'C', 'T', 'j', 'T', '8321', '195', '8415', '6121', 'z', '3239', '2021', '9489', '6943', '6685', '4731']

Ex Output:
6685


Ex Input:
2, 8, ['9583', '3923', 'x', 'H', '7663', 'J', '4401', 'J', '3299', '137', '5981', 'r', 'r', 'm', '3333', '3283', '6973', 'r', '8917', 'g', '797', 'K']

Ex Output:
J4401J7663Hx3923


Ex Input:
17, 18, ['2179', 'V', 'i', 'b', '7529', '3339', '5051', 'a', '1349', 'r', '6235', 'n', '6747', '2931', 'N', 'S', 'i', 'K', '9287']

Ex Output:

Ki