{
  "note": "reverse O-grids: R1/R2/R3 counterbore annuli drawn radially inside boxes, H4 box to the outline, slot box to the top edge; rounds wrapped by 2-3 blocks each",
  "ops": [
    "BOX",
    "RING",
    "CUT",
    "JUNCTION",
    "WRAP",
    "NODE-3",
    "NODE-5"
  ],
  "points": {
    "A": [
      2.378633223,
      70.0
    ],
    "E": [
      22.8,
      70.0
    ],
    "F": [
      34.0,
      70.0
    ],
    "Fp": [
      75.5,
      70.0
    ],
    "Ep": [
      96.5,
      70.0
    ],
    "K": [
      123.264666603,
      70.0
    ],
    "G": [
      34.0,
      84.41141
    ],
    "Gp": [
      75.5,
      84.41141
    ],
    "H": [
      34.0,
      96.1686738
    ],
    "Hp": [
      75.5,
      96.1686738
    ],
    "M": [
      25.0,
      80.0
    ],
    "Mp": [
      96.0,
      80.0
    ],
    "Qa": [
      13.371840895,
      91.0731412
    ],
    "Ra": [
      111.089778398,
      92.539155808
    ],
    "X": [
      22.8,
      53.0
    ],
    "B4": [
      7.480704884,
      53.0
    ],
    "R1TL": [
      34.0,
      59.2
    ],
    "R1TR": [
      65.2,
      59.2
    ],
    "R1BL": [
      34.0,
      29.8
    ],
    "R1BR": [
      65.2,
      29.8
    ],
    "R3TL": [
      44.520708,
      29.8
    ],
    "R3S": [
      44.520708,
      18.5808952
    ],
    "o1": [
      44.520708,
      3.85340966
    ],
    "o2": [
      65.2,
      6.685917455
    ],
    "o3": [
      96.5,
      12.606225312
    ],
    "R2TL": [
      96.5,
      47.2
    ],
    "R2S": [
      96.5,
      29.8
    ],
    "R2TR": [
      131.753621933,
      47.2
    ],
    "P2": [
      131.179939562,
      23.212453879
    ],
    "N": [
      30.0,
      25.8
    ],
    "U": [
      22.938022723,
      22.250095413
    ],
    "r1L0": [
      40.050069061,
      35.845912731
    ],
    "r1H0": [
      44.040946198,
      39.83404818
    ],
    "r1L1": [
      45.354819781,
      32.725238235
    ],
    "r1H1": [
      46.90193535,
      38.150987778
    ],
    "r1L2": [
      57.853672003,
      36.351522129
    ],
    "r1H2": [
      53.642889355,
      40.106736394
    ],
    "r1L3": [
      57.855371219,
      52.652741713
    ],
    "r1H3": [
      53.643805786,
      48.898405381
    ],
    "r1L4": [
      40.048252542,
      53.15843872
    ],
    "r1H4": [
      44.039966502,
      49.171140846
    ],
    "r3L0": [
      50.485838266,
      12.349673658
    ],
    "r3H0": [
      52.235786158,
      14.842162272
    ],
    "r3L1": [
      59.855474174,
      12.834599179
    ],
    "r3H1": [
      57.857567707,
      15.133117585
    ],
    "r3L2": [
      60.020363,
      24.179606424
    ],
    "r3H2": [
      57.956501002,
      21.940121938
    ],
    "r3L3": [
      49.700861956,
      24.179430356
    ],
    "r3H3": [
      51.764800371,
      21.940016297
    ],
    "r3L4": [
      47.24706189,
      18.5808952
    ],
    "r3H4": [
      50.29252033,
      18.5808952
    ],
    "r2L0": [
      104.014444431,
      23.549493456
    ],
    "r2H0": [
      106.769224439,
      27.561273245
    ],
    "r2L1": [
      119.197181258,
      28.096863737
    ],
    "r2H1": [
      114.690652359,
      29.933814265
    ],
    "r2L2": [
      118.132472036,
      37.741538539
    ],
    "r2H2": [
      114.135151894,
      34.965818516
    ],
    "r2L3": [
      103.096662106,
      39.615510871
    ],
    "r2H3": [
      106.290381486,
      35.943543212
    ],
    "r2L4": [
      99.728389005,
      30.319910623
    ],
    "r2H4": [
      104.533021605,
      31.093664815
    ],
    "h4L0": [
      10.804177912,
      57.72469193
    ],
    "h4L1": [
      17.170776998,
      58.354937641
    ],
    "h4L2": [
      17.260826962,
      65.009191853
    ],
    "h4L3": [
      9.676502558,
      64.632594028
    ],
    "sBL": [
      40.51547431,
      78.35818751
    ],
    "sBR": [
      69.06644809,
      78.35818751
    ],
    "sR": [
      70.8439637,
      84.41141
    ],
    "sTR": [
      69.06644809,
      90.46462219
    ],
    "sTL": [
      40.51547431,
      90.46462219
    ],
    "sL": [
      38.7379586,
      84.41141
    ],
    "sT": [
      54.7909612,
      92.2421378
    ],
    "Hm": [
      54.7909612,
      96.1686738
    ],
    "J51": [
      44.8067767,
      92.2421378
    ],
    "J52": [
      64.7751457,
      92.2421378
    ],
    "T1": [
      44.8067767,
      96.1686738
    ],
    "T2": [
      64.7751457,
      96.1686738
    ]
  },
  "quads": [
    [
      "R1BL",
      "R3TL",
      "r1L1",
      "r1L0"
    ],
    [
      "r1L0",
      "r1L1",
      "r1H1",
      "r1H0"
    ],
    [
      "R3TL",
      "R1BR",
      "r1L2",
      "r1L1"
    ],
    [
      "r1L1",
      "r1L2",
      "r1H2",
      "r1H1"
    ],
    [
      "R1BR",
      "R1TR",
      "r1L3",
      "r1L2"
    ],
    [
      "r1L2",
      "r1L3",
      "r1H3",
      "r1H2"
    ],
    [
      "R1TR",
      "R1TL",
      "r1L4",
      "r1L3"
    ],
    [
      "r1L3",
      "r1L4",
      "r1H4",
      "r1H3"
    ],
    [
      "R1TL",
      "R1BL",
      "r1L0",
      "r1L4"
    ],
    [
      "r1L4",
      "r1L0",
      "r1H0",
      "r1H4"
    ],
    [
      "o1",
      "o2",
      "r3L1",
      "r3L0"
    ],
    [
      "r3L0",
      "r3L1",
      "r3H1",
      "r3H0"
    ],
    [
      "o2",
      "R1BR",
      "r3L2",
      "r3L1"
    ],
    [
      "r3L1",
      "r3L2",
      "r3H2",
      "r3H1"
    ],
    [
      "R1BR",
      "R3TL",
      "r3L3",
      "r3L2"
    ],
    [
      "r3L2",
      "r3L3",
      "r3H3",
      "r3H2"
    ],
    [
      "R3TL",
      "R3S",
      "r3L4",
      "r3L3"
    ],
    [
      "r3L3",
      "r3L4",
      "r3H4",
      "r3H3"
    ],
    [
      "R3S",
      "o1",
      "r3L0",
      "r3L4"
    ],
    [
      "r3L4",
      "r3L0",
      "r3H0",
      "r3H4"
    ],
    [
      "o3",
      "P2",
      "r2L1",
      "r2L0"
    ],
    [
      "r2L0",
      "r2L1",
      "r2H1",
      "r2H0"
    ],
    [
      "P2",
      "R2TR",
      "r2L2",
      "r2L1"
    ],
    [
      "r2L1",
      "r2L2",
      "r2H2",
      "r2H1"
    ],
    [
      "R2TR",
      "R2TL",
      "r2L3",
      "r2L2"
    ],
    [
      "r2L2",
      "r2L3",
      "r2H3",
      "r2H2"
    ],
    [
      "R2TL",
      "R2S",
      "r2L4",
      "r2L3"
    ],
    [
      "r2L3",
      "r2L4",
      "r2H4",
      "r2H3"
    ],
    [
      "R2S",
      "o3",
      "r2L0",
      "r2L4"
    ],
    [
      "r2L4",
      "r2L0",
      "r2H0",
      "r2H4"
    ],
    [
      "B4",
      "X",
      "h4L1",
      "h4L0"
    ],
    [
      "X",
      "E",
      "h4L2",
      "h4L1"
    ],
    [
      "E",
      "A",
      "h4L3",
      "h4L2"
    ],
    [
      "A",
      "B4",
      "h4L0",
      "h4L3"
    ],
    [
      "F",
      "Fp",
      "sBR",
      "sBL"
    ],
    [
      "Fp",
      "Gp",
      "sR",
      "sBR"
    ],
    [
      "Gp",
      "Hp",
      "sTR",
      "sR"
    ],
    [
      "Hp",
      "T2",
      "J52",
      "sTR"
    ],
    [
      "T2",
      "Hm",
      "sT",
      "J52"
    ],
    [
      "Hm",
      "T1",
      "J51",
      "sT"
    ],
    [
      "T1",
      "H",
      "sTL",
      "J51"
    ],
    [
      "H",
      "G",
      "sL",
      "sTL"
    ],
    [
      "G",
      "F",
      "sBL",
      "sL"
    ],
    [
      "A",
      "E",
      "M",
      "Qa"
    ],
    [
      "E",
      "F",
      "G",
      "M"
    ],
    [
      "M",
      "G",
      "H",
      "Qa"
    ],
    [
      "Fp",
      "Ep",
      "Mp",
      "Gp"
    ],
    [
      "Gp",
      "Mp",
      "Ra",
      "Hp"
    ],
    [
      "Ep",
      "K",
      "Ra",
      "Mp"
    ],
    [
      "E",
      "F",
      "R1TL",
      "X"
    ],
    [
      "X",
      "R1TL",
      "R1BL",
      "N"
    ],
    [
      "B4",
      "X",
      "N",
      "U"
    ],
    [
      "R1BL",
      "R3TL",
      "R3S",
      "N"
    ],
    [
      "N",
      "R3S",
      "o1",
      "U"
    ],
    [
      "R1TL",
      "R1TR",
      "Fp",
      "F"
    ],
    [
      "R1TR",
      "Fp",
      "Ep",
      "R2TL"
    ],
    [
      "R1TR",
      "R2TL",
      "R2S",
      "R1BR"
    ],
    [
      "R1BR",
      "R2S",
      "o3",
      "o2"
    ],
    [
      "R2TL",
      "R2TR",
      "K",
      "Ep"
    ]
  ]
}