Please generate 20 unique quizzes using the following JSON config.

Config: 

```json
{
    "quiz": {
        "valid_operators": [
            "+",
            "-"
        ],
        "operands": [
            {
                "min_value": -99,
                "max_value": 200,
                "type": "int"
            },
            {
                "min_value": -99,
                "max_value": 200,
                "type": "int"
            },
            {
                "min_value": -99,
                "max_value": 200,
                "type": "int"
            }
        ],
        "intermediate_result_range": {
            "min_value": -99,
            "max_value": 199,
            "type": "int"
        },
        "final_result_range": {
            "min_value": -99,
            "max_value": 200,
            "type": "int"
        },
        "examples": [
            "16 / 4 * 12 = 48",
            "48 / 6 / 2 = 4",
            "3 * 5 * 7 = 105",
            "25 * 2 / 10 = 5",
            "99 - 70 + (-3) = 24",
            "96 - 57 - 2 = 37",
            "46 + 64 + 5 = 115",
            "43 + (-6) - 70 = -33"
        ]
    }
}
``` Provide two versions of response separated with exactly 6 asterisk symbols: ******.
user