{
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    "name": "FM__r",
    "features": {
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            "name": "_r",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_1": {
            "name": "_r_1",
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            "type": "FEATURE",
            "note": ""
        },
        "_r_15": {
            "name": "_r_15",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_2": {
            "name": "_r_2",
            "optional": false,
            "type": "FEATURE",
            "note": ""
        },
        "_r_2_34": {
            "name": "_r_2_34",
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            "type": "FEATURE",
            "note": ""
        },
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            "name": "_r_2_35",
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            "type": "FEATURE",
            "note": ""
        },
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            "note": ""
        },
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            "type": "FEATURE",
            "note": ""
        },
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            "type": "XOR",
            "note": ""
        },
        "_r_3_27_29_30": {
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            "type": "FEATURE",
            "note": ""
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            "type": "FEATURE",
            "note": ""
        },
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            "type": "OR",
            "note": ""
        },
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            "type": "FEATURE",
            "note": ""
        },
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        },
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            "note": ""
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            "type": "FEATURE",
            "note": ""
        }
    },
    "tree": {
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            {
                "id": "_r_1"
            },
            {
                "id": "_r_15"
            },
            {
                "id": "_r_2",
                "children": [
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                    },
                    {
                        "id": "_r_2_35"
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                ]
            },
            {
                "id": "_r_3",
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                        "children": [
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                            },
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                ]
            },
            {
                "id": "_r_4",
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                    {
                        "id": "_r_4_16"
                    },
                    {
                        "id": "_r_4_18",
                        "children": [
                            {
                                "id": "_r_4_18_19"
                            },
                            {
                                "id": "_r_4_18_20"
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                ]
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        ]
    },
    "constraints": {}
}