You are given a code:

def main_solution(x):
    return func_20(func_3('kva'), func_13('fayohx', '-'))

Can you predict the output of `main_solution("lrlcojz")` 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": "lrlcojz"}, "ref_output": "afk-va-y-o-h-x", "ref_code": "def main_solution(x):\n    return func_20(func_3('kva'), func_13('fayohx', '-'))", "funcname": "main_solution"}
rule