You are given a code:

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

Can you predict the output of `main_solution("uxiwybavwz")` 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": "uxiwybavwz"}, "ref_output": "u|x|i|w|y|b|a|v|w|zq-b-v-j", "ref_code": "def main_solution(x):\n    return (func_13(x, '|') + func_13('qbvj', '-'))", "funcname": "main_solution"}
rule