You are given a code:

def main_solution(x):
    return func_20(('gxwrgc' + x), func_15('ggdkia'))

Can you predict the output of `main_solution("glrbgxy")` 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": "glrbgxy"}, "ref_output": "g\u00abxgw\u00bbr\u00abggc\u00bbg\u00abldr\u00bbb\u00abgkx\u00bby\u00abi\u00bb\u00aba\u00bb", "ref_code": "def main_solution(x):\n    return func_20(('gxwrgc' + x), func_15('ggdkia'))", "funcname": "main_solution"}
rule