{
    "name": "Cutting stock",
    "optimize": "cost",
    "opType": "min",
    "constraints": {
        "length": {
            "min": 25
        }
    },
    "variables": {
        "21": {
            "length": 21,
            "cost": 75
        },
        "26": {
            "length": 26,
            "cost": 90
        },
        "31": {
            "length": 31,
            "cost": 105
        },
        "36": {
            "length": 36,
            "cost": 120
        }
    },
    "ints": {
        "21": 1,
        "26": 1,
        "31": 1,
        "36": 1
    },
    "expects": {
        "feasible": true,
        "26": 1,
        "result": 90
    }
}