{
    "parts": [
        {
            "is_public": false,
            "regex_def": "( )(c|C)ode( )?"
        },
        {
            "is_public": true,
            "regex_def": "(0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f)+"
        }
    ]
}