{"abstract":"Halls with an odd number of rows lose a row of usable seats.","category":"Exam timetabling constraints","checks":8,"contract":"Candidates [id, surname, given, access flag], rooms [room, rows, cols]. Non-access candidates are sorted by case-folded surname, case-folded given name, then id, and take alternate seats (even row and even column indices) room by room in row-major order, labelled room-<row letter><column number>; candidates beyond the seats are UNSEATED. Access candidates go to SEP-1, SEP-2... in the same order. Return id -> seat.","contract_signature":"cands, rooms","evaluation_group":"w2-exam-timetabling-constraints-alphabetical-alternate-seating","failed_approach":"Starting at row 1 uses odd rows and loses seats in single-row rooms.","family":"w2-exam-timetabling-constraints-alphabetical-alternate-seating-odd-row-dropped","id":"FA-94526","implementations":{"attempt":{"sha256":"0e4a2073f49bdc019cf0743b962ede5747a947c13e40fa15ea7876807f511295","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(cands, rooms):\n    def key(c):\n        return (c[1].casefold(), c[2].casefold(), c[0])\n    main = sorted([c for c in cands if not c[3]], key=key)\n    sep = sorted([c for c in cands if c[3]], key=key)\n    seats = []\n    for room, rows, cols in rooms:\n        for r in range(1, rows, 2):\n            for c in range(0, cols, 2):\n                seats.append('%s-%s%d' % (room, chr(65 + r), c + 1))\n    out = {}\n    for k, c in enumerate(main):\n        out[c[0]] = seats[k] if k < len(seats) else 'UNSEATED'\n    for k, c in enumerate(sep):\n        out[c[0]] = 'SEP-%d' % (k + 1)\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: odd row dropped 1',\n   [[['C1', 'Strauß', 'Anna', 0], ['C2', 'Strausz', 'Ben', 0]], [['H1', 1, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3'}),\n  ('regression variant: odd row dropped 2',\n   [[['C43', 'adams', 'Dan', 0], ['C55', 'Öberg', 'Ola', 0], ['C23', 'Mason', 'amy', 0],\n     ['C21', 'Mason', 'Amy', 0]],\n    [['H0', 1, 1], ['H1', 5, 1]]],\n   {'C43': 'H0-A1', 'C21': 'H1-A1', 'C23': 'H1-C1', 'C55': 'H1-E1'}),\n  ('partial repair guard 3',\n   [[['C05', 'strauss', 'Cara', 0], ['C62', 'Strauß', 'Anna', 1], ['C75', 'Zhou', 'Li', 0],\n     ['C85', 'Adams', 'eve', 0]],\n    [['H0', 4, 5]]],\n   {'C85': 'H0-A1', 'C05': 'H0-A3', 'C75': 'H0-A5', 'C62': 'SEP-1'}),\n  ('boundary control 4', [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 1]], [['H1', 1, 1]]],\n   {'C1': 'H1-A1', 'C2': 'SEP-1'}),\n  ('boundary control 5',\n   [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 0], ['C3', 'Cole', 'Bo', 0]], [['H1', 3, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3', 'C3': 'H1-C1'}),\n  ('normal control 6',\n   [[['C99', 'Strausz', 'Ben', 0], ['C45', 'Zhou', 'Li', 0], ['C67', 'Mason', 'Zed', 0],\n     ['C71', 'Mason', 'amy', 0]],\n    [['H0', 3, 1]]],\n   {'C71': 'H0-A1', 'C67': 'H0-C1', 'C99': 'UNSEATED', 'C45': 'UNSEATED'}),\n  ('normal control 7',\n   [[['C10', 'Strausz', 'Ben', 0], ['C79', 'adams', 'Dan', 0], ['C60', 'Zhou', 'Li', 1],\n     ['C42', 'strauss', 'Cara', 0], ['C97', 'Adams', 'eve', 0], ['C51', 'Öberg', 'Ola', 0],\n     ['C85', 'Mason', 'amy', 1]],\n    [['H0', 5, 1], ['H1', 4, 5]]],\n   {'C79': 'H0-A1',\n    'C97': 'H0-C1',\n    'C42': 'H0-E1',\n    'C10': 'H1-A1',\n    'C51': 'H1-A3',\n    'C85': 'SEP-1',\n    'C60': 'SEP-2'}),\n  ('normal control 8',\n   [[['C85', 'Mason', 'amy', 0], ['C98', 'Strauß', 'Anna', 0], ['C12', 'Zhou', 'Li', 0]], [['H0', 2, 1]]],\n   {'C85': 'H0-A1', 'C98': 'UNSEATED', 'C12': 'UNSEATED'})],\n [('regression: odd row dropped 1', [[['C1', 'Mason', 'amy', 0], ['C2', 'Mason', 'Ben', 0]], [['H1', 1, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3'}),\n  ('regression variant: odd row dropped 2',\n   [[['C24', 'Adams', 'eve', 0], ['C93', 'Mason', 'amy', 0], ['C38', 'Mason', 'Amy', 0],\n     ['C06', 'Strauß', 'Anna', 1], ['C85', 'adams', 'Dan', 0], ['C18', 'Zhou', 'Li', 1],\n     ['C98', 'strauss', 'Cara', 0]],\n    [['H0', 5, 1], ['H1', 4, 5]]],\n   {'C85': 'H0-A1',\n    'C24': 'H0-C1',\n    'C38': 'H0-E1',\n    'C93': 'H1-A1',\n    'C98': 'H1-A3',\n    'C06': 'SEP-1',\n    'C18': 'SEP-2'}),\n  ('partial repair guard 3', [[['C41', 'strauss', 'Cara', 1], ['C29', 'Strauß', 'Anna', 0]], [['H0', 4, 2]]],\n   {'C29': 'H0-A1', 'C41': 'SEP-1'}),\n  ('boundary control 4', [[['C1', 'Strauß', 'Anna', 0], ['C2', 'Strausz', 'Ben', 0]], [['H1', 1, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3'}),\n  ('boundary control 5', [[['C9', 'Mason', 'Amy', 0], ['C1', 'Mason', 'Amy', 0]], [['H1', 2, 3]]],\n   {'C1': 'H1-A1', 'C9': 'H1-A3'}),\n  ('normal control 6',\n   [[['C03', 'Mason', 'amy', 0], ['C88', 'Mason', 'Zed', 0], ['C98', 'Strauß', 'Anna', 1]], [['H0', 5, 1]]],\n   {'C03': 'H0-A1', 'C88': 'H0-C1', 'C98': 'SEP-1'}),\n  ('normal control 7',\n   [[['C17', 'Strauß', 'Anna', 0], ['C46', 'Strausz', 'Ben', 0], ['C87', 'Adams', 'eve', 0],\n     ['C91', 'Zhou', 'Li', 0], ['C82', 'Mason', 'Amy', 0], ['C66', 'Mason', 'amy', 0]],\n    [['H0', 1, 5], ['H1', 1, 1]]],\n   {'C87': 'H0-A1', 'C66': 'H0-A3', 'C82': 'H0-A5', 'C17': 'H1-A1', 'C46': 'UNSEATED', 'C91': 'UNSEATED'}),\n  ('normal control 8',\n   [[['C49', 'Strausz', 'Ben', 0], ['C35', 'Zhou', 'Li', 0], ['C13', 'Adams', 'eve', 1]], [['H0', 4, 1]]],\n   {'C49': 'H0-A1', 'C35': 'H0-C1', 'C13': 'SEP-1'})],\n [('regression: odd row dropped 1',\n   [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 0], ['C3', 'Cole', 'Bo', 0]], [['H1', 3, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3', 'C3': 'H1-C1'}),\n  ('regression variant: odd row dropped 2',\n   [[['C58', 'Mason', 'Zed', 0], ['C27', 'adams', 'Dan', 0], ['C98', 'Strausz', 'Ben', 0],\n     ['C08', 'Zhou', 'Li', 0], ['C34', 'Öberg', 'Ola', 0]],\n    [['H0', 5, 3], ['H1', 5, 2]]],\n   {'C27': 'H0-A1', 'C58': 'H0-A3', 'C98': 'H0-C1', 'C08': 'H0-C3', 'C34': 'H0-E1'}),\n  ('partial repair guard 3',\n   [[['C38', 'Strauß', 'Anna', 0], ['C46', 'Adams', 'eve', 0], ['C83', 'strauss', 'Cara', 0],\n     ['C55', 'Zhou', 'Li', 0], ['C21', 'adams', 'Dan', 0], ['C03', 'Mason', 'amy', 0]],\n    [['H0', 4, 4]]],\n   {'C21': 'H0-A1', 'C46': 'H0-A3', 'C03': 'H0-C1', 'C38': 'H0-C3', 'C83': 'UNSEATED', 'C55': 'UNSEATED'}),\n  ('boundary control 4', [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 1]], [['H1', 1, 1]]],\n   {'C1': 'H1-A1', 'C2': 'SEP-1'}),\n  ('normal control 5',\n   [[['C75', 'adams', 'Dan', 0], ['C54', 'Mason', 'Amy', 0], ['C48', 'strauss', 'Cara', 0],\n     ['C44', 'Strausz', 'Ben', 0], ['C92', 'Strauß', 'Anna', 0], ['C70', 'Adams', 'eve', 0],\n     ['C13', 'Mason', 'amy', 1], ['C31', 'Zhou', 'Li', 1]],\n    [['H0', 3, 5]]],\n   {'C75': 'H0-A1',\n    'C70': 'H0-A3',\n    'C54': 'H0-A5',\n    'C92': 'H0-C1',\n    'C48': 'H0-C3',\n    'C44': 'H0-C5',\n    'C13': 'SEP-1',\n    'C31': 'SEP-2'}),\n  ('normal control 6',\n   [[['C82', 'Öberg', 'Ola', 1], ['C09', 'Mason', 'amy', 0], ['C88', 'Mason', 'Zed', 1],\n     ['C24', 'strauss', 'Cara', 0]],\n    [['H0', 4, 2]]],\n   {'C09': 'H0-A1', 'C24': 'H0-C1', 'C88': 'SEP-1', 'C82': 'SEP-2'}),\n  ('normal control 7',\n   [[['C21', 'Zhou', 'Li', 0], ['C72', 'Mason', 'amy', 0], ['C36', 'Öberg', 'Ola', 0],\n     ['C78', 'adams', 'Dan', 0], ['C80', 'Adams', 'eve', 0], ['C24', 'Mason', 'Amy', 0]],\n    [['H0', 2, 5]]],\n   {'C78': 'H0-A1', 'C80': 'H0-A3', 'C24': 'H0-A5', 'C72': 'UNSEATED', 'C21': 'UNSEATED', 'C36': 'UNSEATED'}),\n  ('normal control 8',\n   [[['C73', 'Mason', 'amy', 0], ['C63', 'Strauß', 'Anna', 0], ['C37', 'Strausz', 'Ben', 0],\n     ['C80', 'Adams', 'eve', 0], ['C87', 'Mason', 'Zed', 0], ['C44', 'Mason', 'Amy', 0],\n     ['C31', 'Öberg', 'Ola', 1], ['C35', 'adams', 'Dan', 0]],\n    [['H0', 5, 4]]],\n   {'C35': 'H0-A1',\n    'C80': 'H0-A3',\n    'C44': 'H0-C1',\n    'C73': 'H0-C3',\n    'C87': 'H0-E1',\n    'C63': 'H0-E3',\n    'C37': 'UNSEATED',\n    'C31': 'SEP-1'})],\n [('regression: odd row dropped 1', [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 1]], [['H1', 1, 1]]],\n   {'C1': 'H1-A1', 'C2': 'SEP-1'}),\n  ('regression variant: odd row dropped 2',\n   [[['C23', 'Mason', 'Amy', 1], ['C56', 'Mason', 'amy', 1], ['C92', 'Strauß', 'Anna', 0],\n     ['C27', 'Mason', 'Zed', 0], ['C46', 'adams', 'Dan', 0], ['C40', 'Strausz', 'Ben', 0],\n     ['C22', 'strauss', 'Cara', 0]],\n    [['H0', 1, 5], ['H1', 5, 3]]],\n   {'C46': 'H0-A1',\n    'C27': 'H0-A3',\n    'C92': 'H0-A5',\n    'C22': 'H1-A1',\n    'C40': 'H1-A3',\n    'C23': 'SEP-1',\n    'C56': 'SEP-2'}),\n  ('partial repair guard 3',\n   [[['C27', 'Mason', 'amy', 0], ['C02', 'adams', 'Dan', 0], ['C32', 'Mason', 'Zed', 0],\n     ['C55', 'Adams', 'eve', 0]],\n    [['H0', 1, 5], ['H1', 5, 2]]],\n   {'C02': 'H0-A1', 'C55': 'H0-A3', 'C27': 'H0-A5', 'C32': 'H1-A1'}),\n  ('boundary control 4', [[['C1', 'Strauß', 'Anna', 0], ['C2', 'Strausz', 'Ben', 0]], [['H1', 1, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3'}),\n  ('boundary control 5', [[['C9', 'Mason', 'Amy', 0], ['C1', 'Mason', 'Amy', 0]], [['H1', 2, 3]]],\n   {'C1': 'H1-A1', 'C9': 'H1-A3'}),\n  ('normal control 6',\n   [[['C72', 'Strausz', 'Ben', 0], ['C92', 'adams', 'Dan', 0], ['C10', 'Strauß', 'Anna', 0],\n     ['C11', 'Mason', 'amy', 0], ['C64', 'Mason', 'Amy', 1], ['C73', 'Mason', 'Zed', 0],\n     ['C76', 'Öberg', 'Ola', 0], ['C37', 'Zhou', 'Li', 0]],\n    [['H0', 5, 1]]],\n   {'C92': 'H0-A1',\n    'C11': 'H0-C1',\n    'C73': 'H0-E1',\n    'C10': 'UNSEATED',\n    'C72': 'UNSEATED',\n    'C37': 'UNSEATED',\n    'C76': 'UNSEATED',\n    'C64': 'SEP-1'}),\n  ('normal control 7',\n   [[['C40', 'Strauß', 'Anna', 0], ['C09', 'Mason', 'Zed', 0], ['C26', 'Öberg', 'Ola', 1],\n     ['C27', 'adams', 'Dan', 1]],\n    [['H0', 4, 2], ['H1', 1, 1]]],\n   {'C09': 'H0-A1', 'C40': 'H0-C1', 'C27': 'SEP-1', 'C26': 'SEP-2'}),\n  ('normal control 8',\n   [[['C89', 'Adams', 'eve', 0], ['C38', 'Mason', 'Amy', 0], ['C52', 'Strausz', 'Ben', 1],\n     ['C37', 'strauss', 'Cara', 0], ['C33', 'adams', 'Dan', 0], ['C98', 'Öberg', 'Ola', 0],\n     ['C88', 'Zhou', 'Li', 0], ['C78', 'Mason', 'Zed', 1]],\n    [['H0', 4, 1]]],\n   {'C33': 'H0-A1',\n    'C89': 'H0-C1',\n    'C38': 'UNSEATED',\n    'C37': 'UNSEATED',\n    'C88': 'UNSEATED',\n    'C98': 'UNSEATED',\n    'C78': 'SEP-1',\n    'C52': 'SEP-2'})],\n [('regression: odd row dropped 1', [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 0]], [['H1', 1, 1]]],\n   {'C1': 'H1-A1', 'C2': 'UNSEATED'}),\n  ('regression variant: odd row dropped 2',\n   [[['C85', 'Mason', 'amy', 0], ['C87', 'Mason', 'Amy', 1], ['C34', 'Zhou', 'Li', 1],\n     ['C19', 'Strausz', 'Ben', 0], ['C68', 'adams', 'Dan', 0], ['C60', 'Öberg', 'Ola', 1]],\n    [['H0', 1, 3]]],\n   {'C68': 'H0-A1', 'C85': 'H0-A3', 'C19': 'UNSEATED', 'C87': 'SEP-1', 'C34': 'SEP-2', 'C60': 'SEP-3'}),\n  ('partial repair guard 3',\n   [[['C69', 'adams', 'Dan', 0], ['C89', 'Mason', 'Zed', 0], ['C34', 'Mason', 'Amy', 0]],\n    [['H0', 4, 3], ['H1', 3, 3]]],\n   {'C69': 'H0-A1', 'C34': 'H0-A3', 'C89': 'H0-C1'}),\n  ('boundary control 4', [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 1]], [['H1', 1, 1]]],\n   {'C1': 'H1-A1', 'C2': 'SEP-1'}),\n  ('boundary control 5',\n   [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 0], ['C3', 'Cole', 'Bo', 0]], [['H1', 3, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3', 'C3': 'H1-C1'}),\n  ('normal control 6',\n   [[['C75', 'adams', 'Dan', 0], ['C54', 'Mason', 'Amy', 0], ['C48', 'strauss', 'Cara', 0],\n     ['C44', 'Strausz', 'Ben', 0], ['C92', 'Strauß', 'Anna', 0], ['C70', 'Adams', 'eve', 0],\n     ['C13', 'Mason', 'amy', 1], ['C31', 'Zhou', 'Li', 1]],\n    [['H0', 3, 5]]],\n   {'C75': 'H0-A1',\n    'C70': 'H0-A3',\n    'C54': 'H0-A5',\n    'C92': 'H0-C1',\n    'C48': 'H0-C3',\n    'C44': 'H0-C5',\n    'C13': 'SEP-1',\n    'C31': 'SEP-2'}),\n  ('normal control 7',\n   [[['C03', 'strauss', 'Cara', 0], ['C88', 'adams', 'Dan', 0], ['C31', 'Zhou', 'Li', 1],\n     ['C06', 'Adams', 'eve', 0], ['C32', 'Mason', 'Zed', 0]],\n    [['H0', 4, 3]]],\n   {'C88': 'H0-A1', 'C06': 'H0-A3', 'C32': 'H0-C1', 'C03': 'H0-C3', 'C31': 'SEP-1'}),\n  ('normal control 8',\n   [[['C55', 'adams', 'Dan', 0], ['C13', 'Öberg', 'Ola', 0]], [['H0', 2, 2], ['H1', 2, 5]]],\n   {'C55': 'H0-A1', 'C13': 'H1-A1'})]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"74726477201c60c070c41cc0a5fb5a533430dedfdada24b810357ed244b575fe","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(cands, rooms):\n    def key(c):\n        return (c[1].casefold(), c[2].casefold(), c[0])\n    main = sorted([c for c in cands if not c[3]], key=key)\n    sep = sorted([c for c in cands if c[3]], key=key)\n    seats = []\n    for room, rows, cols in rooms:\n        for r in range(0, rows - 1, 2):\n            for c in range(0, cols, 2):\n                seats.append('%s-%s%d' % (room, chr(65 + r), c + 1))\n    out = {}\n    for k, c in enumerate(main):\n        out[c[0]] = seats[k] if k < len(seats) else 'UNSEATED'\n    for k, c in enumerate(sep):\n        out[c[0]] = 'SEP-%d' % (k + 1)\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: odd row dropped 1',\n   [[['C1', 'Strauß', 'Anna', 0], ['C2', 'Strausz', 'Ben', 0]], [['H1', 1, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3'}),\n  ('regression variant: odd row dropped 2',\n   [[['C43', 'adams', 'Dan', 0], ['C55', 'Öberg', 'Ola', 0], ['C23', 'Mason', 'amy', 0],\n     ['C21', 'Mason', 'Amy', 0]],\n    [['H0', 1, 1], ['H1', 5, 1]]],\n   {'C43': 'H0-A1', 'C21': 'H1-A1', 'C23': 'H1-C1', 'C55': 'H1-E1'}),\n  ('partial repair guard 3',\n   [[['C05', 'strauss', 'Cara', 0], ['C62', 'Strauß', 'Anna', 1], ['C75', 'Zhou', 'Li', 0],\n     ['C85', 'Adams', 'eve', 0]],\n    [['H0', 4, 5]]],\n   {'C85': 'H0-A1', 'C05': 'H0-A3', 'C75': 'H0-A5', 'C62': 'SEP-1'}),\n  ('boundary control 4', [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 1]], [['H1', 1, 1]]],\n   {'C1': 'H1-A1', 'C2': 'SEP-1'}),\n  ('boundary control 5',\n   [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 0], ['C3', 'Cole', 'Bo', 0]], [['H1', 3, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3', 'C3': 'H1-C1'}),\n  ('normal control 6',\n   [[['C99', 'Strausz', 'Ben', 0], ['C45', 'Zhou', 'Li', 0], ['C67', 'Mason', 'Zed', 0],\n     ['C71', 'Mason', 'amy', 0]],\n    [['H0', 3, 1]]],\n   {'C71': 'H0-A1', 'C67': 'H0-C1', 'C99': 'UNSEATED', 'C45': 'UNSEATED'}),\n  ('normal control 7',\n   [[['C10', 'Strausz', 'Ben', 0], ['C79', 'adams', 'Dan', 0], ['C60', 'Zhou', 'Li', 1],\n     ['C42', 'strauss', 'Cara', 0], ['C97', 'Adams', 'eve', 0], ['C51', 'Öberg', 'Ola', 0],\n     ['C85', 'Mason', 'amy', 1]],\n    [['H0', 5, 1], ['H1', 4, 5]]],\n   {'C79': 'H0-A1',\n    'C97': 'H0-C1',\n    'C42': 'H0-E1',\n    'C10': 'H1-A1',\n    'C51': 'H1-A3',\n    'C85': 'SEP-1',\n    'C60': 'SEP-2'}),\n  ('normal control 8',\n   [[['C85', 'Mason', 'amy', 0], ['C98', 'Strauß', 'Anna', 0], ['C12', 'Zhou', 'Li', 0]], [['H0', 2, 1]]],\n   {'C85': 'H0-A1', 'C98': 'UNSEATED', 'C12': 'UNSEATED'})],\n [('regression: odd row dropped 1', [[['C1', 'Mason', 'amy', 0], ['C2', 'Mason', 'Ben', 0]], [['H1', 1, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3'}),\n  ('regression variant: odd row dropped 2',\n   [[['C24', 'Adams', 'eve', 0], ['C93', 'Mason', 'amy', 0], ['C38', 'Mason', 'Amy', 0],\n     ['C06', 'Strauß', 'Anna', 1], ['C85', 'adams', 'Dan', 0], ['C18', 'Zhou', 'Li', 1],\n     ['C98', 'strauss', 'Cara', 0]],\n    [['H0', 5, 1], ['H1', 4, 5]]],\n   {'C85': 'H0-A1',\n    'C24': 'H0-C1',\n    'C38': 'H0-E1',\n    'C93': 'H1-A1',\n    'C98': 'H1-A3',\n    'C06': 'SEP-1',\n    'C18': 'SEP-2'}),\n  ('partial repair guard 3', [[['C41', 'strauss', 'Cara', 1], ['C29', 'Strauß', 'Anna', 0]], [['H0', 4, 2]]],\n   {'C29': 'H0-A1', 'C41': 'SEP-1'}),\n  ('boundary control 4', [[['C1', 'Strauß', 'Anna', 0], ['C2', 'Strausz', 'Ben', 0]], [['H1', 1, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3'}),\n  ('boundary control 5', [[['C9', 'Mason', 'Amy', 0], ['C1', 'Mason', 'Amy', 0]], [['H1', 2, 3]]],\n   {'C1': 'H1-A1', 'C9': 'H1-A3'}),\n  ('normal control 6',\n   [[['C03', 'Mason', 'amy', 0], ['C88', 'Mason', 'Zed', 0], ['C98', 'Strauß', 'Anna', 1]], [['H0', 5, 1]]],\n   {'C03': 'H0-A1', 'C88': 'H0-C1', 'C98': 'SEP-1'}),\n  ('normal control 7',\n   [[['C17', 'Strauß', 'Anna', 0], ['C46', 'Strausz', 'Ben', 0], ['C87', 'Adams', 'eve', 0],\n     ['C91', 'Zhou', 'Li', 0], ['C82', 'Mason', 'Amy', 0], ['C66', 'Mason', 'amy', 0]],\n    [['H0', 1, 5], ['H1', 1, 1]]],\n   {'C87': 'H0-A1', 'C66': 'H0-A3', 'C82': 'H0-A5', 'C17': 'H1-A1', 'C46': 'UNSEATED', 'C91': 'UNSEATED'}),\n  ('normal control 8',\n   [[['C49', 'Strausz', 'Ben', 0], ['C35', 'Zhou', 'Li', 0], ['C13', 'Adams', 'eve', 1]], [['H0', 4, 1]]],\n   {'C49': 'H0-A1', 'C35': 'H0-C1', 'C13': 'SEP-1'})],\n [('regression: odd row dropped 1',\n   [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 0], ['C3', 'Cole', 'Bo', 0]], [['H1', 3, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3', 'C3': 'H1-C1'}),\n  ('regression variant: odd row dropped 2',\n   [[['C58', 'Mason', 'Zed', 0], ['C27', 'adams', 'Dan', 0], ['C98', 'Strausz', 'Ben', 0],\n     ['C08', 'Zhou', 'Li', 0], ['C34', 'Öberg', 'Ola', 0]],\n    [['H0', 5, 3], ['H1', 5, 2]]],\n   {'C27': 'H0-A1', 'C58': 'H0-A3', 'C98': 'H0-C1', 'C08': 'H0-C3', 'C34': 'H0-E1'}),\n  ('partial repair guard 3',\n   [[['C38', 'Strauß', 'Anna', 0], ['C46', 'Adams', 'eve', 0], ['C83', 'strauss', 'Cara', 0],\n     ['C55', 'Zhou', 'Li', 0], ['C21', 'adams', 'Dan', 0], ['C03', 'Mason', 'amy', 0]],\n    [['H0', 4, 4]]],\n   {'C21': 'H0-A1', 'C46': 'H0-A3', 'C03': 'H0-C1', 'C38': 'H0-C3', 'C83': 'UNSEATED', 'C55': 'UNSEATED'}),\n  ('boundary control 4', [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 1]], [['H1', 1, 1]]],\n   {'C1': 'H1-A1', 'C2': 'SEP-1'}),\n  ('normal control 5',\n   [[['C75', 'adams', 'Dan', 0], ['C54', 'Mason', 'Amy', 0], ['C48', 'strauss', 'Cara', 0],\n     ['C44', 'Strausz', 'Ben', 0], ['C92', 'Strauß', 'Anna', 0], ['C70', 'Adams', 'eve', 0],\n     ['C13', 'Mason', 'amy', 1], ['C31', 'Zhou', 'Li', 1]],\n    [['H0', 3, 5]]],\n   {'C75': 'H0-A1',\n    'C70': 'H0-A3',\n    'C54': 'H0-A5',\n    'C92': 'H0-C1',\n    'C48': 'H0-C3',\n    'C44': 'H0-C5',\n    'C13': 'SEP-1',\n    'C31': 'SEP-2'}),\n  ('normal control 6',\n   [[['C82', 'Öberg', 'Ola', 1], ['C09', 'Mason', 'amy', 0], ['C88', 'Mason', 'Zed', 1],\n     ['C24', 'strauss', 'Cara', 0]],\n    [['H0', 4, 2]]],\n   {'C09': 'H0-A1', 'C24': 'H0-C1', 'C88': 'SEP-1', 'C82': 'SEP-2'}),\n  ('normal control 7',\n   [[['C21', 'Zhou', 'Li', 0], ['C72', 'Mason', 'amy', 0], ['C36', 'Öberg', 'Ola', 0],\n     ['C78', 'adams', 'Dan', 0], ['C80', 'Adams', 'eve', 0], ['C24', 'Mason', 'Amy', 0]],\n    [['H0', 2, 5]]],\n   {'C78': 'H0-A1', 'C80': 'H0-A3', 'C24': 'H0-A5', 'C72': 'UNSEATED', 'C21': 'UNSEATED', 'C36': 'UNSEATED'}),\n  ('normal control 8',\n   [[['C73', 'Mason', 'amy', 0], ['C63', 'Strauß', 'Anna', 0], ['C37', 'Strausz', 'Ben', 0],\n     ['C80', 'Adams', 'eve', 0], ['C87', 'Mason', 'Zed', 0], ['C44', 'Mason', 'Amy', 0],\n     ['C31', 'Öberg', 'Ola', 1], ['C35', 'adams', 'Dan', 0]],\n    [['H0', 5, 4]]],\n   {'C35': 'H0-A1',\n    'C80': 'H0-A3',\n    'C44': 'H0-C1',\n    'C73': 'H0-C3',\n    'C87': 'H0-E1',\n    'C63': 'H0-E3',\n    'C37': 'UNSEATED',\n    'C31': 'SEP-1'})],\n [('regression: odd row dropped 1', [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 1]], [['H1', 1, 1]]],\n   {'C1': 'H1-A1', 'C2': 'SEP-1'}),\n  ('regression variant: odd row dropped 2',\n   [[['C23', 'Mason', 'Amy', 1], ['C56', 'Mason', 'amy', 1], ['C92', 'Strauß', 'Anna', 0],\n     ['C27', 'Mason', 'Zed', 0], ['C46', 'adams', 'Dan', 0], ['C40', 'Strausz', 'Ben', 0],\n     ['C22', 'strauss', 'Cara', 0]],\n    [['H0', 1, 5], ['H1', 5, 3]]],\n   {'C46': 'H0-A1',\n    'C27': 'H0-A3',\n    'C92': 'H0-A5',\n    'C22': 'H1-A1',\n    'C40': 'H1-A3',\n    'C23': 'SEP-1',\n    'C56': 'SEP-2'}),\n  ('partial repair guard 3',\n   [[['C27', 'Mason', 'amy', 0], ['C02', 'adams', 'Dan', 0], ['C32', 'Mason', 'Zed', 0],\n     ['C55', 'Adams', 'eve', 0]],\n    [['H0', 1, 5], ['H1', 5, 2]]],\n   {'C02': 'H0-A1', 'C55': 'H0-A3', 'C27': 'H0-A5', 'C32': 'H1-A1'}),\n  ('boundary control 4', [[['C1', 'Strauß', 'Anna', 0], ['C2', 'Strausz', 'Ben', 0]], [['H1', 1, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3'}),\n  ('boundary control 5', [[['C9', 'Mason', 'Amy', 0], ['C1', 'Mason', 'Amy', 0]], [['H1', 2, 3]]],\n   {'C1': 'H1-A1', 'C9': 'H1-A3'}),\n  ('normal control 6',\n   [[['C72', 'Strausz', 'Ben', 0], ['C92', 'adams', 'Dan', 0], ['C10', 'Strauß', 'Anna', 0],\n     ['C11', 'Mason', 'amy', 0], ['C64', 'Mason', 'Amy', 1], ['C73', 'Mason', 'Zed', 0],\n     ['C76', 'Öberg', 'Ola', 0], ['C37', 'Zhou', 'Li', 0]],\n    [['H0', 5, 1]]],\n   {'C92': 'H0-A1',\n    'C11': 'H0-C1',\n    'C73': 'H0-E1',\n    'C10': 'UNSEATED',\n    'C72': 'UNSEATED',\n    'C37': 'UNSEATED',\n    'C76': 'UNSEATED',\n    'C64': 'SEP-1'}),\n  ('normal control 7',\n   [[['C40', 'Strauß', 'Anna', 0], ['C09', 'Mason', 'Zed', 0], ['C26', 'Öberg', 'Ola', 1],\n     ['C27', 'adams', 'Dan', 1]],\n    [['H0', 4, 2], ['H1', 1, 1]]],\n   {'C09': 'H0-A1', 'C40': 'H0-C1', 'C27': 'SEP-1', 'C26': 'SEP-2'}),\n  ('normal control 8',\n   [[['C89', 'Adams', 'eve', 0], ['C38', 'Mason', 'Amy', 0], ['C52', 'Strausz', 'Ben', 1],\n     ['C37', 'strauss', 'Cara', 0], ['C33', 'adams', 'Dan', 0], ['C98', 'Öberg', 'Ola', 0],\n     ['C88', 'Zhou', 'Li', 0], ['C78', 'Mason', 'Zed', 1]],\n    [['H0', 4, 1]]],\n   {'C33': 'H0-A1',\n    'C89': 'H0-C1',\n    'C38': 'UNSEATED',\n    'C37': 'UNSEATED',\n    'C88': 'UNSEATED',\n    'C98': 'UNSEATED',\n    'C78': 'SEP-1',\n    'C52': 'SEP-2'})],\n [('regression: odd row dropped 1', [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 0]], [['H1', 1, 1]]],\n   {'C1': 'H1-A1', 'C2': 'UNSEATED'}),\n  ('regression variant: odd row dropped 2',\n   [[['C85', 'Mason', 'amy', 0], ['C87', 'Mason', 'Amy', 1], ['C34', 'Zhou', 'Li', 1],\n     ['C19', 'Strausz', 'Ben', 0], ['C68', 'adams', 'Dan', 0], ['C60', 'Öberg', 'Ola', 1]],\n    [['H0', 1, 3]]],\n   {'C68': 'H0-A1', 'C85': 'H0-A3', 'C19': 'UNSEATED', 'C87': 'SEP-1', 'C34': 'SEP-2', 'C60': 'SEP-3'}),\n  ('partial repair guard 3',\n   [[['C69', 'adams', 'Dan', 0], ['C89', 'Mason', 'Zed', 0], ['C34', 'Mason', 'Amy', 0]],\n    [['H0', 4, 3], ['H1', 3, 3]]],\n   {'C69': 'H0-A1', 'C34': 'H0-A3', 'C89': 'H0-C1'}),\n  ('boundary control 4', [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 1]], [['H1', 1, 1]]],\n   {'C1': 'H1-A1', 'C2': 'SEP-1'}),\n  ('boundary control 5',\n   [[['C1', 'Adams', 'Eve', 0], ['C2', 'Baker', 'Al', 0], ['C3', 'Cole', 'Bo', 0]], [['H1', 3, 3]]],\n   {'C1': 'H1-A1', 'C2': 'H1-A3', 'C3': 'H1-C1'}),\n  ('normal control 6',\n   [[['C75', 'adams', 'Dan', 0], ['C54', 'Mason', 'Amy', 0], ['C48', 'strauss', 'Cara', 0],\n     ['C44', 'Strausz', 'Ben', 0], ['C92', 'Strauß', 'Anna', 0], ['C70', 'Adams', 'eve', 0],\n     ['C13', 'Mason', 'amy', 1], ['C31', 'Zhou', 'Li', 1]],\n    [['H0', 3, 5]]],\n   {'C75': 'H0-A1',\n    'C70': 'H0-A3',\n    'C54': 'H0-A5',\n    'C92': 'H0-C1',\n    'C48': 'H0-C3',\n    'C44': 'H0-C5',\n    'C13': 'SEP-1',\n    'C31': 'SEP-2'}),\n  ('normal control 7',\n   [[['C03', 'strauss', 'Cara', 0], ['C88', 'adams', 'Dan', 0], ['C31', 'Zhou', 'Li', 1],\n     ['C06', 'Adams', 'eve', 0], ['C32', 'Mason', 'Zed', 0]],\n    [['H0', 4, 3]]],\n   {'C88': 'H0-A1', 'C06': 'H0-A3', 'C32': 'H0-C1', 'C03': 'H0-C3', 'C31': 'SEP-1'}),\n  ('normal control 8',\n   [[['C55', 'adams', 'Dan', 0], ['C13', 'Öberg', 'Ola', 0]], [['H0', 2, 2], ['H1', 2, 5]]],\n   {'C55': 'H0-A1', 'C13': 'H1-A1'})]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"Stipulated toy exam-timetabling rule set for a bounded model; it does not claim conformance with any institution's regulations or a benchmark specification, and it performs no search or optimisation. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"w2-exam-timetabling-constraints-alphabetical-alternate-seating-odd-row-dropped","generated_at":"2026-09-29T14:52:05.231030+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Seating plans are generated from the timetable's room allocation and must be deterministic and fair.","root_cause":"The row range stops one row early.","sha256":"b105d447ec7bc2e130cceb68f46c2a423eb9fb14275a73b749449fb6f748cf96","title":"Alternate seating skips the last row of odd-sized halls · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verified":true,"visibility":"public","verification":{"attempt":{"elapsed_ms":40.401,"exit_code":1,"observations":[{"actual":{"C1":"UNSEATED","C2":"UNSEATED"},"check":"regression: odd row dropped 1","expected":{"C1":"H1-A1","C2":"H1-A3"},"passed":false},{"actual":{"C21":"H1-D1","C23":"UNSEATED","C43":"H1-B1","C55":"UNSEATED"},"check":"regression variant: odd row dropped 2","expected":{"C21":"H1-A1","C23":"H1-C1","C43":"H0-A1","C55":"H1-E1"},"passed":false},{"actual":{"C05":"H0-B3","C62":"SEP-1","C75":"H0-B5","C85":"H0-B1"},"check":"partial repair guard 3","expected":{"C05":"H0-A3","C62":"SEP-1","C75":"H0-A5","C85":"H0-A1"},"passed":false},{"actual":{"C1":"UNSEATED","C2":"SEP-1"},"check":"boundary control 4","expected":{"C1":"H1-A1","C2":"SEP-1"},"passed":false},{"actual":{"C1":"H1-B1","C2":"H1-B3","C3":"UNSEATED"},"check":"boundary control 5","expected":{"C1":"H1-A1","C2":"H1-A3","C3":"H1-C1"},"passed":false},{"actual":{"C45":"UNSEATED","C67":"UNSEATED","C71":"H0-B1","C99":"UNSEATED"},"check":"normal control 6","expected":{"C45":"UNSEATED","C67":"H0-C1","C71":"H0-A1","C99":"UNSEATED"},"passed":false},{"actual":{"C10":"H1-B3","C42":"H1-B1","C51":"H1-B5","C60":"SEP-2","C79":"H0-B1","C85":"SEP-1","C97":"H0-D1"},"check":"normal control 7","expected":{"C10":"H1-A1","C42":"H0-E1","C51":"H1-A3","C60":"SEP-2","C79":"H0-A1","C85":"SEP-1","C97":"H0-C1"},"passed":false},{"actual":{"C12":"UNSEATED","C85":"H0-B1","C98":"UNSEATED"},"check":"normal control 8","expected":{"C12":"UNSEATED","C85":"H0-A1","C98":"UNSEATED"},"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: odd row dropped 1\", \"actual\": {\"C1\": \"UNSEATED\", \"C2\": \"UNSEATED\"}, \"expected\": {\"C1\": \"H1-A1\", \"C2\": \"H1-A3\"}, \"passed\": false}, {\"check\": \"regression variant: odd row dropped 2\", \"actual\": {\"C43\": \"H1-B1\", \"C21\": \"H1-D1\", \"C23\": \"UNSEATED\", \"C55\": \"UNSEATED\"}, \"expected\": {\"C43\": \"H0-A1\", \"C21\": \"H1-A1\", \"C23\": \"H1-C1\", \"C55\": \"H1-E1\"}, \"passed\": false}, {\"check\": \"partial repair guard 3\", \"actual\": {\"C85\": \"H0-B1\", \"C05\": \"H0-B3\", \"C75\": \"H0-B5\", \"C62\": \"SEP-1\"}, \"expected\": {\"C85\": \"H0-A1\", \"C05\": \"H0-A3\", \"C75\": \"H0-A5\", \"C62\": \"SEP-1\"}, \"passed\": false}, {\"check\": \"boundary control 4\", \"actual\": {\"C1\": \"UNSEATED\", \"C2\": \"SEP-1\"}, \"expected\": {\"C1\": \"H1-A1\", \"C2\": \"SEP-1\"}, \"passed\": false}, {\"check\": \"boundary control 5\", \"actual\": {\"C1\": \"H1-B1\", \"C2\": \"H1-B3\", \"C3\": \"UNSEATED\"}, \"expected\": {\"C1\": \"H1-A1\", \"C2\": \"H1-A3\", \"C3\": \"H1-C1\"}, \"passed\": false}, {\"check\": \"normal control 6\", \"actual\": {\"C71\": \"H0-B1\", \"C67\": \"UNSEATED\", \"C99\": \"UNSEATED\", \"C45\": \"UNSEATED\"}, \"expected\": {\"C71\": \"H0-A1\", \"C67\": \"H0-C1\", \"C99\": \"UNSEATED\", \"C45\": \"UNSEATED\"}, \"passed\": false}, {\"check\": \"normal control 7\", \"actual\": {\"C79\": \"H0-B1\", \"C97\": \"H0-D1\", \"C42\": \"H1-B1\", \"C10\": \"H1-B3\", \"C51\": \"H1-B5\", \"C85\": \"SEP-1\", \"C60\": \"SEP-2\"}, \"expected\": {\"C79\": \"H0-A1\", \"C97\": \"H0-C1\", \"C42\": \"H0-E1\", \"C10\": \"H1-A1\", \"C51\": \"H1-A3\", \"C85\": \"SEP-1\", \"C60\": \"SEP-2\"}, \"passed\": false}, {\"check\": \"normal control 8\", \"actual\": {\"C85\": \"H0-B1\", \"C98\": \"UNSEATED\", \"C12\": \"UNSEATED\"}, \"expected\": {\"C85\": \"H0-A1\", \"C98\": \"UNSEATED\", \"C12\": \"UNSEATED\"}, \"passed\": false}], \"passed\": false}\n"},"broken":{"elapsed_ms":40.145,"exit_code":1,"observations":[{"actual":{"C1":"UNSEATED","C2":"UNSEATED"},"check":"regression: odd row dropped 1","expected":{"C1":"H1-A1","C2":"H1-A3"},"passed":false},{"actual":{"C21":"H1-C1","C23":"UNSEATED","C43":"H1-A1","C55":"UNSEATED"},"check":"regression variant: odd row dropped 2","expected":{"C21":"H1-A1","C23":"H1-C1","C43":"H0-A1","C55":"H1-E1"},"passed":false},{"actual":{"C05":"H0-A3","C62":"SEP-1","C75":"H0-A5","C85":"H0-A1"},"check":"partial repair guard 3","expected":{"C05":"H0-A3","C62":"SEP-1","C75":"H0-A5","C85":"H0-A1"},"passed":true},{"actual":{"C1":"UNSEATED","C2":"SEP-1"},"check":"boundary control 4","expected":{"C1":"H1-A1","C2":"SEP-1"},"passed":false},{"actual":{"C1":"H1-A1","C2":"H1-A3","C3":"UNSEATED"},"check":"boundary control 5","expected":{"C1":"H1-A1","C2":"H1-A3","C3":"H1-C1"},"passed":false},{"actual":{"C45":"UNSEATED","C67":"UNSEATED","C71":"H0-A1","C99":"UNSEATED"},"check":"normal control 6","expected":{"C45":"UNSEATED","C67":"H0-C1","C71":"H0-A1","C99":"UNSEATED"},"passed":false},{"actual":{"C10":"H1-A3","C42":"H1-A1","C51":"H1-A5","C60":"SEP-2","C79":"H0-A1","C85":"SEP-1","C97":"H0-C1"},"check":"normal control 7","expected":{"C10":"H1-A1","C42":"H0-E1","C51":"H1-A3","C60":"SEP-2","C79":"H0-A1","C85":"SEP-1","C97":"H0-C1"},"passed":false},{"actual":{"C12":"UNSEATED","C85":"H0-A1","C98":"UNSEATED"},"check":"normal control 8","expected":{"C12":"UNSEATED","C85":"H0-A1","C98":"UNSEATED"},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: odd row dropped 1\", \"actual\": {\"C1\": \"UNSEATED\", \"C2\": \"UNSEATED\"}, \"expected\": {\"C1\": \"H1-A1\", \"C2\": \"H1-A3\"}, \"passed\": false}, {\"check\": \"regression variant: odd row dropped 2\", \"actual\": {\"C43\": \"H1-A1\", \"C21\": \"H1-C1\", \"C23\": \"UNSEATED\", \"C55\": \"UNSEATED\"}, \"expected\": {\"C43\": \"H0-A1\", \"C21\": \"H1-A1\", \"C23\": \"H1-C1\", \"C55\": \"H1-E1\"}, \"passed\": false}, {\"check\": \"partial repair guard 3\", \"actual\": {\"C85\": \"H0-A1\", \"C05\": \"H0-A3\", \"C75\": \"H0-A5\", \"C62\": \"SEP-1\"}, \"expected\": {\"C85\": \"H0-A1\", \"C05\": \"H0-A3\", \"C75\": \"H0-A5\", \"C62\": \"SEP-1\"}, \"passed\": true}, {\"check\": \"boundary control 4\", \"actual\": {\"C1\": \"UNSEATED\", \"C2\": \"SEP-1\"}, \"expected\": {\"C1\": \"H1-A1\", \"C2\": \"SEP-1\"}, \"passed\": false}, {\"check\": \"boundary control 5\", \"actual\": {\"C1\": \"H1-A1\", \"C2\": \"H1-A3\", \"C3\": \"UNSEATED\"}, \"expected\": {\"C1\": \"H1-A1\", \"C2\": \"H1-A3\", \"C3\": \"H1-C1\"}, \"passed\": false}, {\"check\": \"normal control 6\", \"actual\": {\"C71\": \"H0-A1\", \"C67\": \"UNSEATED\", \"C99\": \"UNSEATED\", \"C45\": \"UNSEATED\"}, \"expected\": {\"C71\": \"H0-A1\", \"C67\": \"H0-C1\", \"C99\": \"UNSEATED\", \"C45\": \"UNSEATED\"}, \"passed\": false}, {\"check\": \"normal control 7\", \"actual\": {\"C79\": \"H0-A1\", \"C97\": \"H0-C1\", \"C42\": \"H1-A1\", \"C10\": \"H1-A3\", \"C51\": \"H1-A5\", \"C85\": \"SEP-1\", \"C60\": \"SEP-2\"}, \"expected\": {\"C79\": \"H0-A1\", \"C97\": \"H0-C1\", \"C42\": \"H0-E1\", \"C10\": \"H1-A1\", \"C51\": \"H1-A3\", \"C85\": \"SEP-1\", \"C60\": \"SEP-2\"}, \"passed\": false}, {\"check\": \"normal control 8\", \"actual\": {\"C85\": \"H0-A1\", \"C98\": \"UNSEATED\", \"C12\": \"UNSEATED\"}, \"expected\": {\"C85\": \"H0-A1\", \"C98\": \"UNSEATED\", \"C12\": \"UNSEATED\"}, \"passed\": true}], \"passed\": false}\n"}},"member_only":{"stages":["fixed"],"fields":["implementations.fixed","verification.fixed","harness","repair"],"note":"The verified repair, its recorded checks, the repair description, and the scoring harness are available to members."}}