You are given a code:

def main_solution(x):
    return func_13(func_20('orqcd', x), '_')

Can you predict the output of `main_solution("ihuzsij")` 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": "ihuzsij"}, "ref_output": "o_i_r_h_q_u_c_z_d_s_i_j", "ref_code": "def main_solution(x):\n    return func_13(func_20('orqcd', x), '_')", "funcname": "main_solution"}
rule