You are given a code:

def main_solution(x):
    return func_20((x + 'hnrczm'), func_15(x))

Can you predict the output of `main_solution("qpuuigaex")` without writing any code? Please reason and put your final answer in the following json format: {"output": <your output>}, where <your output> should be the final string.
user
{"ref_input": {"x": "qpuuigaex"}, "ref_output": "q\u00abpqu\u00bbu\u00abipg\u00bba\u00abeux\u00bbh\u00abnur\u00bbc\u00abzim\u00bb\u00abg\u00bb\u00aba\u00bb\u00abe\u00bb\u00abx\u00bb", "ref_code": "def main_solution(x):\n    return func_20((x + 'hnrczm'), func_15(x))", "funcname": "main_solution"}
rule