You are given a code:

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

Can you predict the output of `main_solution("ggjayrecrp")` 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": "ggjayrecrp"}, "ref_output": "j|i|a|u|k|m|z|l|v|h|y", "ref_code": "def main_solution(x):\n    return func_13(func_20('jakzvy', 'iumlh'), '|')", "funcname": "main_solution"}
rule