You are given a code:

def main_solution(x):
    return func_20(func_3(x), func_15('wnlpjc'))

Can you predict the output of `main_solution("yzzsbsdjb")` 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": "yzzsbsdjb"}, "ref_output": "b\u00abbwd\u00bbj\u00absns\u00bby\u00abzlz\u00bb\u00abp\u00bb\u00abj\u00bb\u00abc\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_3(x), func_15('wnlpjc'))", "funcname": "main_solution"}
rule