You are given a code:

def main_solution(x):
    return func_20(func_11('otcsmm', 3), func_15(x))

Can you predict the output of `main_solution("aeubysdk")` 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": "aeubysdk"}, "ref_output": "r\u00abwaf\u00bbv\u00abpep\u00bb\u00abu\u00bb\u00abb\u00bb\u00aby\u00bb\u00abs\u00bb\u00abd\u00bb\u00abk\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_11('otcsmm', 3), func_15(x))", "funcname": "main_solution"}
rule