[ { "all_ones_prob": 0.5, "min_k": 3, "max_k": 15 }, { "all_ones_prob": 0.7, "min_k": 2, "max_k": 25 }, { "all_ones_prob": 0.6, "min_k": 5, "max_k": 20 }, { "all_ones_prob": 0.3, "min_k": 2, "max_k": 10 } ]