{"v5", new MapgenFactoryV5, true},
{"v6", new MapgenFactoryV6, true},
{"v7", new MapgenFactoryV7, true},
{"v5", new MapgenFactoryV5, true},
{"v6", new MapgenFactoryV6, true},
{"v7", new MapgenFactoryV7, true},
{"singlenode", new MapgenFactorySinglenode, false},
};
{"singlenode", new MapgenFactorySinglenode, false},
};