{
  "good": [
    26507,
    26508,
    26509,
    26510,
    26511,
    26512,
    26513,
    26514,
    26515,
    26516,
    26517,
    26519,
    26520,
    26521,
    26522,
    26523,
    26524,
    26525,
    26526,
    26527,
    26528,
    26529,
    26531,
    26532,
    26533,
    26534,
    26535,
    26536,
    26537,
    26538,
    26539,
    26540,
    26541,
    26542,
    26543,
    26544,
    26545,
    26546,
    26547,
    26548,
    26549,
    26550,
    26551,
    26552,
    26553,
    26554,
    26555,
    26556,
    26557,
    26559,
    26560,
    26561,
    26562,
    26563,
    26565,
    26566,
    26567,
    26568,
    26569,
    26570,
    26571,
    26572,
    26573,
    26574,
    26575,
    26576,
    26577,
    26578,
    26579,
    26580,
    26581,
    26582,
    26583,
    26584,
    26585,
    26586,
    26587,
    26588,
    26589,
    26590,
    26591,
    26592,
    26595,
    26596,
    26597,
    26598,
    26599,
    26600,
    26601,
    26602,
    26603,
    26604,
    26605,
    26606,
    26608,
    26610,
    26611,
    26612,
    26613,
    26614,
    26615,
    26616,
    26617,
    26618,
    26619,
    26620,
    26621,
    26623,
    26624,
    26627,
    26629,
    26630,
    26631,
    26632,
    26633,
    26634,
    26635,
    26636,
    26637,
    26641,
    26642,
    26643,
    26644,
    26645,
    26646,
    26649,
    26650,
    26651,
    26652,
    26653,
    26655,
    26656,
    26657,
    26658,
    26659,
    26660,
    26661,
    26662,
    26664,
    26665,
    26666,
    26667,
    26668,
    26669,
    26670,
    26671,
    26672,
    26676,
    26677,
    26678,
    26679,
    26681,
    26683,
    26684,
    26685,
    26686,
    26687,
    26688,
    26689,
    26690,
    26691,
    26692,
    26693,
    26694,
    26695,
    26696,
    26697,
    26698,
    26699,
    26700,
    26702,
    26703,
    26704,
    26705,
    26706,
    26707
  ],
  "needs_revision": {
    "26518": "confused perimeter derivation: wavers between 106 cm and 53 cm counting different edge sets; unclear which edges are counted",
    "26530": "muddled folding logic: '12cm x 12cm square triangle' is nonsensical; final dimensions from printed key",
    "26558": "no independent derivation: 'The printed working gives area = 16 x 4 = 64 cm2' without explaining why multiply by 4",
    "26564": "undefined value 65 in '196 - 65 - 49 - 66'; source of 65 not explained",
    "26593": "unclear derivation: formula 7x(20-2)+5=131 uses unexplained constant 5; transition from 4-dot case to general formula is opaque",
    "26594": "solution sets up figure dimensions then just quotes 'the printed key gives the total shaded area as 108 cm2' without computing",
    "26607": "confused about dimensions: 'AC = 6 cm?' with question mark; falls back to printed key for perimeter",
    "26609": "messy angle reasoning: 'reflex angle at B is 255' unclear, '70 - 15 leads to 55 per the figure' is a non sequitur",
    "26622": "does not derive breadth from square side: says 'from printed working: breadth=4, length=12' without showing the net layout logic connecting side=8 to breadth=4",
    "26625": "angle derivation unclear: 'The printed working gives (180-78)/2=51 and (180-...) leading to angle AEF=33' — incomplete reasoning",
    "26626": "garbled percentage derivation: '100-60=40, 40/2=20' has no clear connection to the problem; answer from printed working",
    "26628": "does not derive base side from net: 'Along the 21 cm height there are 3 base-sides?' with question mark; jumps to using side=7 without showing 21/3=7",
    "26638": "copies from key: part (a) 'per key: top cuboid air = 625 cm3'; part (b) 'per the printed working' — no independent computation",
    "26639": "incomplete: computes triangle BEC=90 cm2 then jumps directly to 'Answer: 150 cm2' with no connecting steps",
    "26640": "no derivation: 'Using the printed answers: (a) n = 29 cm. (b) Width of shelf = 302 cm.' — just states the key values",
    "26647": "FATAL internal inconsistency: says '9 of 16 triangles shaded' but answer is 60%; 9/16=56.25% != 60%. The count or the answer is wrong",
    "26648": "solution says 'q and r are vertically opposite so q=r' (implying option 2 TRUE) but question asks which is FALSE and answer is option 2 — the punchline is hidden by ellipsis, making reasoning confusing",
    "26654": "does not compute 123rd position: only describes the repeating unit without doing 123/6=20R3 to locate the letter",
    "26663": "confusing angle reasoning: '360-70=290, then 290-55=235' — subtracting 55 a second time is not geometrically justified",
    "26673": "garbled: sentence breaks mid-thought 'its perimeter (4 hypotenuses...' — derivation is sloppy and incomplete",
    "26674": "no derivation: states angle relations then jumps to 'Answer: 72 degrees' without showing any computation",
    "26675": "solves WRONG question: computes '1 pencil + 2 pens' but question asks for '1 pencil + 1 ruler when x=60'; expected answer is 300 not (x+460)",
    "26680": "relies on protractor measurement: 'Measuring angle ECB with a protractor gives 127 degrees' — no geometric reasoning",
    "26682": "part (b) incomplete: jumps from '289x4=1156' to 'SQ=sqrt(1156)=34' without justifying why area=SQ^2 (missing connection that height=SQ/2 from 45-degree isosceles right triangle)",
    "26701": "garbled arc count then 'the printed key gives perimeter 232 cm'; does not compute independently"
  }
}