You are given a code:

def main_solution(x):
    return func_22('cdphhd')

Can you predict the output of `main_solution("rabnlyycss")` 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": "rabnlyycss"}, "ref_output": "cdphhd", "ref_code": "def main_solution(x):\n    return func_22('cdphhd')", "funcname": "main_solution"}
rule