You are given a code:

def main_solution(x):
    return func_13(func_20(x, 'gdcje'), '|')

Can you predict the output of `main_solution("qpbnlhpflw")` 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": "qpbnlhpflw"}, "ref_output": "q|g|p|d|b|c|n|j|l|e|h|p|f|l|w", "ref_code": "def main_solution(x):\n    return func_13(func_20(x, 'gdcje'), '|')", "funcname": "main_solution"}
rule