You are given a code:

def main_solution(x):
    return func_20(func_23(x, 3), func_15('ilgsh'))

Can you predict the output of `main_solution("gcrazlcetw")` 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": "gcrazlcetw"}, "ref_output": "g\u00abcir\u00bba\u00abzll\u00bbc\u00abegt\u00bbw\u00ab1s\u00bb\u00abh\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_23(x, 3), func_15('ilgsh'))", "funcname": "main_solution"}
rule