You are given a code:

def main_solution(x):
    return func_20(func_15('sugx'), func_1('xsiol', 2))

Can you predict the output of `main_solution("kzvg")` 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": "kzvg"}, "ref_output": "\u00abxss\u00bbi\u00aboul\u00bbx\u00absgi\u00bbo\u00ablx\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_15('sugx'), func_1('xsiol', 2))", "funcname": "main_solution"}
rule