info.json

{
    "layouts": {
        "LAYOUT_ortho_7u": {
            "layout": [
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                {"matrix": [2, 5], "x": 0, "y": 3},
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                {"matrix": [8, 5], "x": 10, "y": 3},
                {"matrix": [8, 4], "x": 11, "y": 3},
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                {"matrix": [2, 7], "x": 1, "y": 4},
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                {"matrix": [4, 6], "x": 4, "y": 4, "w": 7},
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                {"matrix": [7, 7], "x": 13, "y": 4},
                {"matrix": [8, 6], "x": 14, "y": 4}
            ]
        }
    }
}