{
  "step": 200000,
  "stats": {
    "climbmix/blocks": 7200000,
    "climbmix/targets": 12033775305,
    "climbmix/input_tokens": 12034537799,
    "ultra_qa/blocks": 2700000,
    "ultra_qa/targets": 4405129990,
    "ultra_qa/input_tokens": 4405138485,
    "cortex/blocks": 2700000,
    "cortex/targets": 102703673,
    "cortex/input_tokens": 4291696006,
    "ultra_style/blocks": 2700000,
    "ultra_style/targets": 4270419549,
    "ultra_style/input_tokens": 4270644269,
    "openmath/blocks": 1800000,
    "openmath/targets": 2781111203,
    "openmath/input_tokens": 2782038425,
    "rewrite6/blocks": 900000,
    "rewrite6/targets": 1475418140,
    "rewrite6/input_tokens": 1477035705
  },
  "sources": {
    "climbmix": {
      "page": 986,
      "row": 1904,
      "start": {
        "file": 47,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 56,
          "row": 1024
        }
      },
      "epoch": 0,
      "offset": 4096,
      "documents": 4040560
    },
    "rewrite6": {
      "page": 10,
      "row": 4037,
      "start": {
        "file": 0,
        "reader": {
          "format": "jsonl-row-v1",
          "row": 40960
        }
      },
      "epoch": 11,
      "offset": 0,
      "documents": 2304441
    },
    "openmath": {
      "page": 616,
      "row": 2034,
      "start": {
        "file": 5,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 339,
          "row": 886
        }
      },
      "epoch": 0,
      "offset": 0,
      "documents": 2525170
    },
    "ultra_qa": {
      "page": 266,
      "row": 1939,
      "start": {
        "file": 2,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 0,
          "row": 50285
        }
      },
      "epoch": 0,
      "offset": 2048,
      "documents": 1091475
    },
    "ultra_style": {
      "page": 407,
      "row": 311,
      "start": {
        "file": 2,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 3,
          "row": 41668
        }
      },
      "epoch": 0,
      "offset": 2048,
      "documents": 1667383
    },
    "cortex": {
      "page": 52363,
      "row": 94,
      "start": null,
      "epoch": 0,
      "offset": 0,
      "documents": 6702558
    }
  }
}