{
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    "config": {
        "axis": {
            "domain": false
        },
        "view": {
            "step": 13,
            "strokeWidth": 0
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    },
    "data": {
        "url": "https://vega.github.io/vega-lite/data/seattle-temps.csv"
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            "legend": {
                "title": null
            },
            "type": "quantitative"
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                "format": "%e",
                "labelAngle": 0,
                "title": "Day"
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            "timeUnit": "date",
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            "axis": {
                "title": "Month"
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    "mark": "rect"
}