You are given a code:

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

Can you predict the output of `main_solution("wlwabcrn")` 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": "wlwabcrn"}, "ref_output": "i|g|n|a|b|g|g|b|a|n|g|i", "ref_code": "def main_solution(x):\n    return func_13(func_9('ignabg'), '|')", "funcname": "main_solution"}
rule