{
    "reason": "Irregular format",
    "part1length": 1,
    "inputs": {
        "selector": "code",
        "indexes": [[20, 23, 25]],
        "transforms": [{
            "functions": [
                { "join": [","] },
                { "match": [".*", "g"] }
            ], "appliesTo": [0]
        }]
    },
    "answers": {
        "selector": "code",
        "indexesOrLiterals": [29]
    }
}