You are given a code:

def main_solution(x):
    return (func_20('arovjx', 'vtjn') + func_22('gjx'))

Can you predict the output of `main_solution("alxg")` 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": "alxg"}, "ref_output": "avrtojvnjxgj", "ref_code": "def main_solution(x):\n    return (func_20('arovjx', 'vtjn') + func_22('gjx'))", "funcname": "main_solution"}
rule