You are given a code:

def main_solution(x):
    return func_13(func_9('ckogy'), '|')

Can you predict the output of `main_solution("xwrgofw")` 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": "xwrgofw"}, "ref_output": "c|k|o|g|y|y|g|o|k|c", "ref_code": "def main_solution(x):\n    return func_13(func_9('ckogy'), '|')", "funcname": "main_solution"}
rule