You are given a code:

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

Can you predict the output of `main_solution("hbcari")` 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": "hbcari"}, "ref_output": "i\u00abxhf\u00bbm\u00abibx\u00bbf\u00abmci\u00bbx\u00abfam\u00bb\u00abr\u00bb\u00abi\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_1('ixfm', 3), func_15(x))", "funcname": "main_solution"}
rule