You are given a code:

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

Can you predict the output of `main_solution("bbjzxwrjwj")` 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": "bbjzxwrjwj"}, "ref_output": "b|b|j|z|x|w|r|j|w|j|x|k|u|h|r", "ref_code": "def main_solution(x):\n    return func_13((x + 'xkuhr'), '|')", "funcname": "main_solution"}
rule