You are given a code:

def main_solution(x):
    return func_20(func_15('pwhwal'), func_9(x))

Can you predict the output of `main_solution("hsthnyxxo")` 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": "hsthnyxxo"}, "ref_output": "\u00abhps\u00bbt\u00abhwn\u00bby\u00abxhx\u00bbo\u00abowx\u00bbx\u00abyan\u00bbh\u00abtls\u00bbh", "ref_code": "def main_solution(x):\n    return func_20(func_15('pwhwal'), func_9(x))", "funcname": "main_solution"}
rule