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]: 3, 13, ['9827', '3335', 'K', 'p', '7941', 'U', '4513', 'l', 'B', '179', '9825', '5437', 'u', '7853', '8907', 't', 'V', 'U', 'K', '7159', '6077', 'n']
[A]: u73455289971Bl3154U1497pK


[Q]: 6, 14, ['505', 's', '3619', 's', '2871', '6403', 'b', 'M', 'Q', '9645', '9425', 'V', '873', 'l', '2917', 'Q', '9465', 'z', '1513', 'S', 'e', '9733', '7669', 'B']
[A]: l378V52495469QMb3046


[Q]: 2, 17, ['9137', '173', 'P', '7295', '817', 'T', 'T', 'W', 'l', '5799', 'm', '3845', 'M', '8599', 'L', 'X', 'M', 'G', 'm', '6617', '1263']
[A]:
MXL9958M5483m9975lWTT7185927P371