You are given a code:

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

Can you predict the output of `main_solution("sugskcjjyv")` 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": "sugskcjjyv"}, "ref_output": "v|u|g|f|c|a|x|v|y|p", "ref_code": "def main_solution(x):\n    return func_13(func_20('vgcx', 'ufavyp'), '|')", "funcname": "main_solution"}
rule