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.

[Q]: 7, 18, ['s', 'a', 'q', '6573', '7757', '7229', '9149', '7563', '2171', 'L', 'F', 'S', '4337', '3071', 'Q', 'A', '6987', '2529', '2489', 'y', '359', '3065', 'h']
[A]: 92527896AQ17037334SFL171236579419


[Q]: 1, 1, ['C', '6223']
[A]: C


[Q]: 4, 29, ['q', '1833', 'l', '7329', '4103', '5503', 'j', 'w', 'u', 'S', 'j', '6591', '7961', 'j', '9257', 'b', '3751', 'e', '9291', '637', '7839', '3091', '3579', '1291', 'I', '3427', '2717', '5553', 'm']
[A]:
m355571727243I19219753190393877361929e1573b7529j16971956jSuwj305530149237