You are given a code:

def main_solution(x):
    return func_20(func_1(x, 3), func_15('ksbr'))

Can you predict the output of `main_solution("qajhdg")` 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": "qajhdg"}, "ref_output": "q\u00abakj\u00bbh\u00abdsg\u00bbq\u00ababj\u00bbh\u00abdrg\u00bbqajhdg", "ref_code": "def main_solution(x):\n    return func_20(func_1(x, 3), func_15('ksbr'))", "funcname": "main_solution"}
rule