You are given a code:

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

Can you predict the output of `main_solution("qkbm")` 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": "qkbm"}, "ref_output": "g|j|s|y|o|p|p|o|y|s|j|g", "ref_code": "def main_solution(x):\n    return func_13(func_9('gjsyop'), '|')", "funcname": "main_solution"}
rule