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: 4, 12, ['S', '1783', 'd', '3489', '2291', '4757', 'b', '5761', 'Y', 'M', '6453', '2477', 'B', 'm', '6749', 'S', '3291', 'L', '8725', '8637', 'l', '1747']

A: 77423546MY1675b757419229843
****
Q: 4, 16, ['O', 'x', 'E', 'z', 'q', '2235', 'j', 'Q', '9655', '6887', '7651', '4695', 'p', 'M', '7975', 'p', 'u', '7275', 'y', 'w', '9677', 'I', '8609', '3333', '1835', '7137', '2509', '6157', '1805']

A: p5797Mp5964156778865569Qj5322qz
****
Q: 2, 19, ['F', 'Q', 'j', 'M', 'a', '4645', 'L', 'e', '9077', 'i', '2401', '3653', 'B', 'V', 'j', 'l', '8707', 'D', 'h', 'p', 'k', 'W']

A:
hD7078ljVB35631042i7709eL5464aMjQ
****