{
    "config_version": 2,
    "solver": {
        "max_uncolored_percentage": 0.15,
        "algorithm": "AGGREGATION",
        "solver": "AMG",
        "smoother": "MULTICOLOR_GS",
        "presweeps": 1,
        "symmetric_GS" : 1,
        "selector": "SIZE_2",
        "coarsest_sweeps": 10,
        "max_iters": 2,
        "postsweeps": 1,
        "scope": "main",
        "max_levels": 1000,
        "matrix_coloring_scheme" : "MIN_MAX",
        "tolerance": 0.0,
        "norm": "L2",
        "cycle": "V"
    }
}