You are given a code:

def main_solution(x):
    return func_13(('bsnhya' + x), '|')

Can you predict the output of `main_solution("wurwrksrt")` 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": "wurwrksrt"}, "ref_output": "b|s|n|h|y|a|w|u|r|w|r|k|s|r|t", "ref_code": "def main_solution(x):\n    return func_13(('bsnhya' + x), '|')", "funcname": "main_solution"}
rule