{
  "instance": "qc_472_122_16_g8",
  "M": [
    [
      [
        [
          0,
          5
        ],
        [
          1,
          7
        ],
        [
          2,
          4
        ],
        [
          3,
          6
        ]
      ],
      [
        [
          0,
          4
        ],
        [
          1,
          5
        ],
        [
          2,
          6
        ],
        [
          3,
          7
        ]
      ],
      [
        [
          0,
          7
        ],
        [
          1,
          6
        ],
        [
          2,
          5
        ],
        [
          3,
          4
        ]
      ]
    ],
    [
      [
        [
          0,
          7
        ],
        [
          1,
          6
        ],
        [
          2,
          5
        ],
        [
          3,
          4
        ]
      ],
      [
        [
          0,
          5
        ],
        [
          1,
          7
        ],
        [
          2,
          4
        ],
        [
          3,
          6
        ]
      ],
      [
        [
          0,
          4
        ],
        [
          1,
          5
        ],
        [
          2,
          6
        ],
        [
          3,
          7
        ]
      ]
    ],
    [
      [
        [
          0,
          4
        ],
        [
          1,
          5
        ],
        [
          2,
          6
        ],
        [
          3,
          7
        ]
      ],
      [
        [
          0,
          7
        ],
        [
          1,
          6
        ],
        [
          2,
          5
        ],
        [
          3,
          4
        ]
      ],
      [
        [
          0,
          5
        ],
        [
          1,
          7
        ],
        [
          2,
          4
        ],
        [
          3,
          6
        ]
      ]
    ]
  ],
  "E": [
    [
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0
    ],
    [
      0,
      30,
      22,
      33,
      2,
      7,
      45,
      31
    ],
    [
      0,
      57,
      39,
      23,
      15,
      26,
      11,
      8
    ]
  ],
  "D": [
    [
      0,
      31,
      15,
      46,
      15,
      0,
      46,
      31
    ],
    [
      0,
      7,
      20,
      8,
      0,
      7,
      20,
      8
    ],
    [
      0,
      49,
      26,
      2,
      2,
      26,
      49,
      0
    ]
  ],
  "parameters": {
    "M_rows": 3,
    "J": 3,
    "L": 8,
    "P": 59,
    "g": 8,
    "n": 472,
    "k": 122,
    "d": 16,
    "exact_distance_known": true
  },
  "checks": {
    "M_is_J_by_J_pair_partition_array": true,
    "pair_difference_equations_over_Fp": 36,
    "mixed_distinctness": true,
    "css_orthogonal": true,
    "Hx_row_weight_histogram": {
      "8": 177
    },
    "Hz_row_weight_histogram": {
      "8": 177
    },
    "Hx_column_weight_histogram": {
      "3": 472
    },
    "Hz_column_weight_histogram": {
      "3": 472
    },
    "rank_Hx": 175,
    "rank_Hz": 175,
    "girth_Hx": 8,
    "girth_Hz": 8
  }
}