You are given a code:

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

Can you predict the output of `main_solution("xmheeog")` 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": "xmheeog"}, "ref_output": "x\u00abmlh\u00bbe\u00abeuo\u00bbg\u00abglo\u00bbe\u00abegh\u00bbm\u00abxd\u00bb\u00abi\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_9(x), func_15('lulgdi'))", "funcname": "main_solution"}
rule