[
  {
    "depth": 4,
    "states_checked": 16,
    "robust_boundary_checks": 80,
    "observation_entropy_bits_exact": 3,
    "conditional_entropy_bits_exact": 1,
    "code_bits": 3,
    "excess_bits_over_lower_bound": 2,
    "natural_metadata_rate_exact": "1/4",
    "compensated_metadata_bits": 0,
    "arithmetic": "Fraction; no tolerance"
  },
  {
    "depth": 8,
    "states_checked": 256,
    "robust_boundary_checks": 1280,
    "observation_entropy_bits_exact": 6,
    "conditional_entropy_bits_exact": 2,
    "code_bits": 4,
    "excess_bits_over_lower_bound": 2,
    "natural_metadata_rate_exact": "1/4",
    "compensated_metadata_bits": 0,
    "arithmetic": "Fraction; no tolerance"
  },
  {
    "depth": 12,
    "states_checked": 4096,
    "robust_boundary_checks": 20480,
    "observation_entropy_bits_exact": 9,
    "conditional_entropy_bits_exact": 3,
    "code_bits": 5,
    "excess_bits_over_lower_bound": 2,
    "natural_metadata_rate_exact": "1/4",
    "compensated_metadata_bits": 0,
    "arithmetic": "Fraction; no tolerance"
  }
]