{
    "level": {
        "id": "12",
        "name": "The classic",
        "rivers": [
            {
                "x": "l-34",
                "y": "12",
                "orient": "h"
            },
            {
                "x": "8-r",
                "y": "22",
                "orient": "h"
            },
            {
                "x": "8",
                "y": "12-22",
                "orient": "v"
            },
            {
                "x": "28",
                "y": "12-22",
                "orient": "v"
            },
            {
                "x": "34",
                "y": "b-12",
                "orient": "v"
            }
        ],
        "bridges": [
            {
                "x": "8",
                "y": "17",
                "orient": "h"
            },
            {
                "x": "28",
                "y": "17",
                "orient": "h"
            },
            {
                "x": "34",
                "y": "8",
                "orient": "h"
            },
            {
                "x": "12",
                "y": "12",
                "orient": "v"
            },
            {
                "x": "24",
                "y": "12",
                "orient": "v"
            },
            {
                "x": "14",
                "y": "22",
                "orient": "v"
            },
            {
                "x": "22",
                "y": "22",
                "orient": "v"
            },
            {
                "x": "34",
                "y": "22",
                "orient": "v"
            }
        ],
        "houses": [
        ]
    }
}

Move the classic level up a bit in the order.
Move the classic level up a bit in the order.
