Custom Isaac Generator Example

[
    [
        {"name": "easy 1"},
        {"name": "easy 2"},
        {"name": "easy 3"},
        {"name": "easy 4"},
        {"name": "easy 5"},
        {"name": "easy 6"},
        {"name": "easy 7"},
        {"name": "easy 8"},
        {"name": "easy 9"},
        {"name": "easy 10"}
    ], [
        {"name": "medium 1"},
        {"name": "medium 2"},
        {"name": "medium 3"},
        {"name": "medium 4"},
        {"name": "medium 5"},
        {"name": "medium 6"},
        {"name": "medium 7"},
        {"name": "medium 8"},
        {"name": "medium 9"},
        {"name": "medium 10"}
    ], [
        {"name": "hard 1"},
        {"name": "hard 2"},
        {"name": "hard 3"},
        {"name": "hard 4"}
    ], [
        {"name": "very hard 1"}
    ]
]