{"abstract":"A structured table violates the declared record or column contract.","category":"Delimited text","checks":8,"contract":"Transpose comma records into physical columns. Pad missing trailing cells with null, preserving explicit empty strings. Width is the largest source row width; empty input has no columns. Output columns are in increasing physical position.","contract_signature":"data","evaluation_group":"s3-delimited-text-ragged-table-transpose","failed_approach":"The alternate implementation still violates the same declared invariant: transposed cell values are reordered within each column.","family":"s3-delimited-text-ragged-table-transpose-row-order","id":"FA-48211","implementations":{"attempt":{"sha256":"b797e490cd5e2d549b8238ec7b503fbd62f477e8c488e0ff627f9da54395eb8e","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\ndef _vary(value):\n if value == '@END': return 3 + 4*N\n if isinstance(value, str): return value.replace('@', 'cell' * N)\n if isinstance(value, list): return [_vary(x) for x in value]\n if isinstance(value, dict): return {_vary(k): _vary(v) for k,v in value.items()}\n return value\nN = 1\nobservations = []\ndef solve(data):\n rows=[line.split(',') for line in data]\n width=max((len(row) for row in rows),default=0)\n out=[]\n for col in range(width):\n out.append([row[col] if col