{"abstract":"Drop-frame timecode corrupts the frame units digit.","category":"Broadcast timecode arithmetic","checks":9,"contract":"Pack HH:MM:SS:FF into four bytes [frames, seconds, minutes, hours] in transmission order. Each byte holds units in bits 0-3 and tens from bit 4 upward. The frames byte carries the drop-frame flag (bit 6, set when the last separator is \";\") and the color-frame flag (bit 7).","evaluation_group":"w2-broadcast-timecode-arithmetic-ltc-bcd-packing","failed_approach":"Bit 5 belongs to the frames tens digit.","family":"w2-broadcast-timecode-arithmetic-ltc-bcd-packing-drop-frame-flag-bit","id":"FA-78621","implementations":{"attempt":{"sha256":"4ab32a5db888ab5940d87a0fa981165dd710e30a9f0fb9e62ef81820ecf8fff4","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport re\nN = 1\nobservations = []\ndef solve(tc, color):\n    h,m,s,f=map(int,re.split('[:;]',tc))\n    drop=';' in tc\n    def bcd(v,flags):\n        return (v//10)<<4|v%10|flags\n    b0=bcd(f,(0x20 if drop else 0)|(0x80 if color else 0))\n    b1=bcd(s,0)\n    b2=bcd(m,0)\n    b3=bcd(h,0)\n    return [b0,b1,b2,b3]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: drop-frame flag bit', ['23:59:59;29', True], [233, 89, 89, 35]), ('regression variant: drop-frame flag bit', ['10:00:10;19', True], [217, 16, 0, 16]), ('partial repair probe: drop-frame flag bit', ['10:10:09;24', False], [100, 9, 16, 16]), ('partial repair variant: drop-frame flag bit', ['10:00:10;09', False], [73, 16, 0, 16]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('normal control', ['01:07:10:29', True], [169, 16, 7, 1]), ('normal control', ['00:00:00:00', True], [128, 0, 0, 0]), ('normal control', ['00:07:09:29', True], [169, 9, 7, 0])], [('regression: drop-frame flag bit', ['01:02:03;04', False], [68, 3, 2, 1]), ('regression variant: drop-frame flag bit', ['10:59:10;24', True], [228, 16, 89, 16]), ('partial repair probe: drop-frame flag bit', ['00:00:00;00', False], [64, 0, 0, 0]), ('partial repair variant: drop-frame flag bit', ['01:07:00;19', False], [89, 0, 7, 1]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('normal control', ['10:07:59:01', False], [1, 89, 7, 16]), ('normal control', ['23:10:09:01', False], [1, 9, 16, 35]), ('normal control', ['01:10:00:24', False], [36, 0, 16, 1])], [('regression: drop-frame flag bit', ['10:10:09;24', False], [100, 9, 16, 16]), ('regression variant: drop-frame flag bit', ['01:00:59;19', True], [217, 89, 0, 1]), ('partial repair probe: drop-frame flag bit', ['19:00:09;19', True], [217, 9, 0, 25]), ('partial repair variant: drop-frame flag bit', ['19:07:09;19', True], [217, 9, 7, 25]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('normal control', ['23:07:10:00', True], [128, 16, 7, 35]), ('normal control', ['00:00:09:24', True], [164, 9, 0, 0]), ('normal control', ['23:10:45:09', False], [9, 69, 16, 35])], [('regression: drop-frame flag bit', ['00:00:00;00', False], [64, 0, 0, 0]), ('regression variant: drop-frame flag bit', ['23:59:59;01', True], [193, 89, 89, 35]), ('partial repair probe: drop-frame flag bit', ['10:00:10;19', True], [217, 16, 0, 16]), ('partial repair variant: drop-frame flag bit', ['23:07:00;00', False], [64, 0, 7, 35]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('normal control', ['23:10:00:29', False], [41, 0, 16, 35]), ('normal control', ['19:59:09:00', True], [128, 9, 89, 25]), ('normal control', ['19:59:45:29', True], [169, 69, 89, 25])], [('regression: drop-frame flag bit', ['19:00:09;19', True], [217, 9, 0, 25]), ('regression variant: drop-frame flag bit', ['10:00:10;09', False], [73, 16, 0, 16]), ('partial repair probe: drop-frame flag bit', ['10:59:10;24', True], [228, 16, 89, 16]), ('partial repair variant: drop-frame flag bit', ['10:10:00;29', False], [105, 0, 16, 16]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('normal control', ['10:00:59:29', False], [41, 89, 0, 16]), ('normal control', ['19:00:09:29', False], [41, 9, 0, 25]), ('normal control', ['01:59:10:01', True], [129, 16, 89, 1])]]\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":"a576566ab8d7bb72174ad6c3aba49af65d4e006189f0a5f8a2c1b82e81342ccd","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport re\nN = 1\nobservations = []\ndef solve(tc, color):\n    h,m,s,f=map(int,re.split('[:;]',tc))\n    drop=';' in tc\n    def bcd(v,flags):\n        return (v//10)<<4|v%10|flags\n    b0=bcd(f,(0x04 if drop else 0)|(0x80 if color else 0))\n    b1=bcd(s,0)\n    b2=bcd(m,0)\n    b3=bcd(h,0)\n    return [b0,b1,b2,b3]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: drop-frame flag bit', ['23:59:59;29', True], [233, 89, 89, 35]), ('regression variant: drop-frame flag bit', ['10:00:10;19', True], [217, 16, 0, 16]), ('partial repair probe: drop-frame flag bit', ['10:10:09;24', False], [100, 9, 16, 16]), ('partial repair variant: drop-frame flag bit', ['10:00:10;09', False], [73, 16, 0, 16]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('normal control', ['01:07:10:29', True], [169, 16, 7, 1]), ('normal control', ['00:00:00:00', True], [128, 0, 0, 0]), ('normal control', ['00:07:09:29', True], [169, 9, 7, 0])], [('regression: drop-frame flag bit', ['01:02:03;04', False], [68, 3, 2, 1]), ('regression variant: drop-frame flag bit', ['10:59:10;24', True], [228, 16, 89, 16]), ('partial repair probe: drop-frame flag bit', ['00:00:00;00', False], [64, 0, 0, 0]), ('partial repair variant: drop-frame flag bit', ['01:07:00;19', False], [89, 0, 7, 1]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('normal control', ['10:07:59:01', False], [1, 89, 7, 16]), ('normal control', ['23:10:09:01', False], [1, 9, 16, 35]), ('normal control', ['01:10:00:24', False], [36, 0, 16, 1])], [('regression: drop-frame flag bit', ['10:10:09;24', False], [100, 9, 16, 16]), ('regression variant: drop-frame flag bit', ['01:00:59;19', True], [217, 89, 0, 1]), ('partial repair probe: drop-frame flag bit', ['19:00:09;19', True], [217, 9, 0, 25]), ('partial repair variant: drop-frame flag bit', ['19:07:09;19', True], [217, 9, 7, 25]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('normal control', ['23:07:10:00', True], [128, 16, 7, 35]), ('normal control', ['00:00:09:24', True], [164, 9, 0, 0]), ('normal control', ['23:10:45:09', False], [9, 69, 16, 35])], [('regression: drop-frame flag bit', ['00:00:00;00', False], [64, 0, 0, 0]), ('regression variant: drop-frame flag bit', ['23:59:59;01', True], [193, 89, 89, 35]), ('partial repair probe: drop-frame flag bit', ['10:00:10;19', True], [217, 16, 0, 16]), ('partial repair variant: drop-frame flag bit', ['23:07:00;00', False], [64, 0, 7, 35]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('normal control', ['23:10:00:29', False], [41, 0, 16, 35]), ('normal control', ['19:59:09:00', True], [128, 9, 89, 25]), ('normal control', ['19:59:45:29', True], [169, 69, 89, 25])], [('regression: drop-frame flag bit', ['19:00:09;19', True], [217, 9, 0, 25]), ('regression variant: drop-frame flag bit', ['10:00:10;09', False], [73, 16, 0, 16]), ('partial repair probe: drop-frame flag bit', ['10:59:10;24', True], [228, 16, 89, 16]), ('partial repair variant: drop-frame flag bit', ['10:10:00;29', False], [105, 0, 16, 16]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('normal control', ['10:00:59:29', False], [41, 89, 0, 16]), ('normal control', ['19:00:09:29', False], [41, 9, 0, 25]), ('normal control', ['01:59:10:01', True], [129, 16, 89, 1])]]\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"},"fixed":{"sha256":"4e114f96a35bc6a3066ce997eb85111ce8196268168a4cfcc7a5163c27bba727","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport re\nN = 1\nobservations = []\ndef solve(tc, color):\n    h,m,s,f=map(int,re.split('[:;]',tc))\n    drop=';' in tc\n    def bcd(v,flags):\n        return (v//10)<<4|v%10|flags\n    b0=bcd(f,(0x40 if drop else 0)|(0x80 if color else 0))\n    b1=bcd(s,0)\n    b2=bcd(m,0)\n    b3=bcd(h,0)\n    return [b0,b1,b2,b3]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: drop-frame flag bit', ['23:59:59;29', True], [233, 89, 89, 35]), ('regression variant: drop-frame flag bit', ['10:00:10;19', True], [217, 16, 0, 16]), ('partial repair probe: drop-frame flag bit', ['10:10:09;24', False], [100, 9, 16, 16]), ('partial repair variant: drop-frame flag bit', ['10:00:10;09', False], [73, 16, 0, 16]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('normal control', ['01:07:10:29', True], [169, 16, 7, 1]), ('normal control', ['00:00:00:00', True], [128, 0, 0, 0]), ('normal control', ['00:07:09:29', True], [169, 9, 7, 0])], [('regression: drop-frame flag bit', ['01:02:03;04', False], [68, 3, 2, 1]), ('regression variant: drop-frame flag bit', ['10:59:10;24', True], [228, 16, 89, 16]), ('partial repair probe: drop-frame flag bit', ['00:00:00;00', False], [64, 0, 0, 0]), ('partial repair variant: drop-frame flag bit', ['01:07:00;19', False], [89, 0, 7, 1]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('normal control', ['10:07:59:01', False], [1, 89, 7, 16]), ('normal control', ['23:10:09:01', False], [1, 9, 16, 35]), ('normal control', ['01:10:00:24', False], [36, 0, 16, 1])], [('regression: drop-frame flag bit', ['10:10:09;24', False], [100, 9, 16, 16]), ('regression variant: drop-frame flag bit', ['01:00:59;19', True], [217, 89, 0, 1]), ('partial repair probe: drop-frame flag bit', ['19:00:09;19', True], [217, 9, 0, 25]), ('partial repair variant: drop-frame flag bit', ['19:07:09;19', True], [217, 9, 7, 25]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('normal control', ['23:07:10:00', True], [128, 16, 7, 35]), ('normal control', ['00:00:09:24', True], [164, 9, 0, 0]), ('normal control', ['23:10:45:09', False], [9, 69, 16, 35])], [('regression: drop-frame flag bit', ['00:00:00;00', False], [64, 0, 0, 0]), ('regression variant: drop-frame flag bit', ['23:59:59;01', True], [193, 89, 89, 35]), ('partial repair probe: drop-frame flag bit', ['10:00:10;19', True], [217, 16, 0, 16]), ('partial repair variant: drop-frame flag bit', ['23:07:00;00', False], [64, 0, 7, 35]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('normal control', ['23:10:00:29', False], [41, 0, 16, 35]), ('normal control', ['19:59:09:00', True], [128, 9, 89, 25]), ('normal control', ['19:59:45:29', True], [169, 69, 89, 25])], [('regression: drop-frame flag bit', ['19:00:09;19', True], [217, 9, 0, 25]), ('regression variant: drop-frame flag bit', ['10:00:10;09', False], [73, 16, 0, 16]), ('partial repair probe: drop-frame flag bit', ['10:59:10;24', True], [228, 16, 89, 16]), ('partial repair variant: drop-frame flag bit', ['10:10:00;29', False], [105, 0, 16, 16]), ('boundary control', ['00:00:00:00', False], [0, 0, 0, 0]), ('boundary control', ['10:10:10:10', False], [16, 16, 16, 16]), ('normal control', ['10:00:59:29', False], [41, 89, 0, 16]), ('normal control', ['19:00:09:29', False], [41, 9, 0, 25]), ('normal control', ['01:59:10:01', True], [129, 16, 89, 1])]]\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":"A deterministic bounded teaching model with a stipulated toy contract; it does not claim conformance to SMPTE or any broadcast standard. 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-broadcast-timecode-arithmetic-ltc-bcd-packing-drop-frame-flag-bit","generated_at":"2026-09-29T14:49:37.082072+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Timecode arithmetic errors misplace edits, commercial breaks and captions against the broadcast clock.","repair":"Set bit 6 of the frames byte for drop frame.","root_cause":"The drop-frame flag is written into bit 2, inside the units nibble.","sha256":"8db9e5ec56a411ed03e0abd97949d58b9c2bfd7acf76da60c83b205a94fa9245","title":"Linear timecode BCD field packing: drop-frame flag bit · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":53.067,"exit_code":1,"observations":[{"actual":[169,89,89,35],"check":"regression: drop-frame flag bit","expected":[233,89,89,35],"passed":false},{"actual":[185,16,0,16],"check":"regression variant: drop-frame flag bit","expected":[217,16,0,16],"passed":false},{"actual":[36,9,16,16],"check":"partial repair probe: drop-frame flag bit","expected":[100,9,16,16],"passed":false},{"actual":[41,16,0,16],"check":"partial repair variant: drop-frame flag bit","expected":[73,16,0,16],"passed":false},{"actual":[0,0,0,0],"check":"boundary control","expected":[0,0,0,0],"passed":true},{"actual":[16,16,16,16],"check":"boundary control","expected":[16,16,16,16],"passed":true},{"actual":[169,16,7,1],"check":"normal control","expected":[169,16,7,1],"passed":true},{"actual":[128,0,0,0],"check":"normal control","expected":[128,0,0,0],"passed":true},{"actual":[169,9,7,0],"check":"normal control","expected":[169,9,7,0],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: drop-frame flag bit\", \"actual\": [169, 89, 89, 35], \"expected\": [233, 89, 89, 35], \"passed\": false}, {\"check\": \"regression variant: drop-frame flag bit\", \"actual\": [185, 16, 0, 16], \"expected\": [217, 16, 0, 16], \"passed\": false}, {\"check\": \"partial repair probe: drop-frame flag bit\", \"actual\": [36, 9, 16, 16], \"expected\": [100, 9, 16, 16], \"passed\": false}, {\"check\": \"partial repair variant: drop-frame flag bit\", \"actual\": [41, 16, 0, 16], \"expected\": [73, 16, 0, 16], \"passed\": false}, {\"check\": \"boundary control\", \"actual\": [0, 0, 0, 0], \"expected\": [0, 0, 0, 0], \"passed\": true}, {\"check\": \"boundary control\", \"actual\": [16, 16, 16, 16], \"expected\": [16, 16, 16, 16], \"passed\": true}, {\"check\": \"normal control\", \"actual\": [169, 16, 7, 1], \"expected\": [169, 16, 7, 1], \"passed\": true}, {\"check\": \"normal control\", \"actual\": [128, 0, 0, 0], \"expected\": [128, 0, 0, 0], \"passed\": true}, {\"check\": \"normal control\", \"actual\": [169, 9, 7, 0], \"expected\": [169, 9, 7, 0], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":65.095,"exit_code":1,"observations":[{"actual":[173,89,89,35],"check":"regression: drop-frame flag bit","expected":[233,89,89,35],"passed":false},{"actual":[157,16,0,16],"check":"regression variant: drop-frame flag bit","expected":[217,16,0,16],"passed":false},{"actual":[36,9,16,16],"check":"partial repair probe: drop-frame flag bit","expected":[100,9,16,16],"passed":false},{"actual":[13,16,0,16],"check":"partial repair variant: drop-frame flag bit","expected":[73,16,0,16],"passed":false},{"actual":[0,0,0,0],"check":"boundary control","expected":[0,0,0,0],"passed":true},{"actual":[16,16,16,16],"check":"boundary control","expected":[16,16,16,16],"passed":true},{"actual":[169,16,7,1],"check":"normal control","expected":[169,16,7,1],"passed":true},{"actual":[128,0,0,0],"check":"normal control","expected":[128,0,0,0],"passed":true},{"actual":[169,9,7,0],"check":"normal control","expected":[169,9,7,0],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: drop-frame flag bit\", \"actual\": [173, 89, 89, 35], \"expected\": [233, 89, 89, 35], \"passed\": false}, {\"check\": \"regression variant: drop-frame flag bit\", \"actual\": [157, 16, 0, 16], \"expected\": [217, 16, 0, 16], \"passed\": false}, {\"check\": \"partial repair probe: drop-frame flag bit\", \"actual\": [36, 9, 16, 16], \"expected\": [100, 9, 16, 16], \"passed\": false}, {\"check\": \"partial repair variant: drop-frame flag bit\", \"actual\": [13, 16, 0, 16], \"expected\": [73, 16, 0, 16], \"passed\": false}, {\"check\": \"boundary control\", \"actual\": [0, 0, 0, 0], \"expected\": [0, 0, 0, 0], \"passed\": true}, {\"check\": \"boundary control\", \"actual\": [16, 16, 16, 16], \"expected\": [16, 16, 16, 16], \"passed\": true}, {\"check\": \"normal control\", \"actual\": [169, 16, 7, 1], \"expected\": [169, 16, 7, 1], \"passed\": true}, {\"check\": \"normal control\", \"actual\": [128, 0, 0, 0], \"expected\": [128, 0, 0, 0], \"passed\": true}, {\"check\": \"normal control\", \"actual\": [169, 9, 7, 0], \"expected\": [169, 9, 7, 0], \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":42.266,"exit_code":0,"observations":[{"actual":[233,89,89,35],"check":"regression: drop-frame flag bit","expected":[233,89,89,35],"passed":true},{"actual":[217,16,0,16],"check":"regression variant: drop-frame flag bit","expected":[217,16,0,16],"passed":true},{"actual":[100,9,16,16],"check":"partial repair probe: drop-frame flag bit","expected":[100,9,16,16],"passed":true},{"actual":[73,16,0,16],"check":"partial repair variant: drop-frame flag bit","expected":[73,16,0,16],"passed":true},{"actual":[0,0,0,0],"check":"boundary control","expected":[0,0,0,0],"passed":true},{"actual":[16,16,16,16],"check":"boundary control","expected":[16,16,16,16],"passed":true},{"actual":[169,16,7,1],"check":"normal control","expected":[169,16,7,1],"passed":true},{"actual":[128,0,0,0],"check":"normal control","expected":[128,0,0,0],"passed":true},{"actual":[169,9,7,0],"check":"normal control","expected":[169,9,7,0],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: drop-frame flag bit\", \"actual\": [233, 89, 89, 35], \"expected\": [233, 89, 89, 35], \"passed\": true}, {\"check\": \"regression variant: drop-frame flag bit\", \"actual\": [217, 16, 0, 16], \"expected\": [217, 16, 0, 16], \"passed\": true}, {\"check\": \"partial repair probe: drop-frame flag bit\", \"actual\": [100, 9, 16, 16], \"expected\": [100, 9, 16, 16], \"passed\": true}, {\"check\": \"partial repair variant: drop-frame flag bit\", \"actual\": [73, 16, 0, 16], \"expected\": [73, 16, 0, 16], \"passed\": true}, {\"check\": \"boundary control\", \"actual\": [0, 0, 0, 0], \"expected\": [0, 0, 0, 0], \"passed\": true}, {\"check\": \"boundary control\", \"actual\": [16, 16, 16, 16], \"expected\": [16, 16, 16, 16], \"passed\": true}, {\"check\": \"normal control\", \"actual\": [169, 16, 7, 1], \"expected\": [169, 16, 7, 1], \"passed\": true}, {\"check\": \"normal control\", \"actual\": [128, 0, 0, 0], \"expected\": [128, 0, 0, 0], \"passed\": true}, {\"check\": \"normal control\", \"actual\": [169, 9, 7, 0], \"expected\": [169, 9, 7, 0], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}