You are given a code:

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

Can you predict the output of `main_solution("prxpaycpg")` 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": "prxpaycpg"}, "ref_output": "p|c|r|q|x|t|p|l|a|c|y|l|c|p|g", "ref_code": "def main_solution(x):\n    return func_13(func_20(x, 'cqtlcl'), '|')", "funcname": "main_solution"}
rule