{"abstract":"Low rarity rolls are almost always featured, biasing the fifty-fifty.","category":"Game economy crafting balance","checks":8,"contract":"Each roll is 0..999. Pull number n = pity+1. Top-rarity rate is 6 per mille, plus 50*(n-73) from n >= 74 (soft pity); n >= 90 always hits. On a hit pity resets to 0; the item is featured (\"F\") if guarantee is set or the roll is even, otherwise lost (\"L\") and the guarantee is set; a featured hit clears the guarantee. Misses (\"-\") set pity = n.","contract_signature":"rolls, state","evaluation_group":"w2-game-economy-crafting-balance-banner-pity","failed_approach":"Inverting the parity reverses the published featured outcome for every roll.","family":"w2-game-economy-crafting-balance-banner-pity-featured-coin","id":"FA-85941","implementations":{"attempt":{"sha256":"164b07de614377c70f1c85aa55c8cfe21666ca564636709fb47b8c4259ed8323","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(rolls, state):\n    pity = state['pity']\n    guarantee = state['guarantee']\n    out = []\n    for r in rolls:\n        n = pity + 1\n        rate = 6\n        if n >= 74:\n            rate += 50 * (n - 73)\n        if n >= 90 or r < rate:\n            pity = 0\n            if guarantee or r % 2 == 1:\n                out.append('F')\n                guarantee = False\n            else:\n                out.append('L')\n                guarantee = True\n        else:\n            pity = n\n            out.append('-')\n    return {'results': ''.join(out), 'pity': pity, 'guarantee': guarantee}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncases = [[('lost fifty fifty then featured #1',\n   [[1, 999, 0], {'pity': 10, 'guarantee': False}],\n   {'results': 'L-F', 'pity': 0, 'guarantee': False}),\n  ('hard pity pull #1',\n   [[999, 999], {'pity': 89, 'guarantee': False}],\n   {'results': 'L-', 'pity': 1, 'guarantee': True}),\n  ('regression featured coin #1',\n   [[18, 973, 5], {'pity': 72, 'guarantee': False}],\n   {'results': '--L', 'pity': 0, 'guarantee': True}),\n  ('regression featured coin #2',\n   [[935, 90, 29, 166, 937, 997, 903, 315, 848, 1, 893, 36, 218, 730, 858, 726, 972, 10],\n    {'pity': 89, 'guarantee': True}],\n   {'results': 'F--------L--------', 'pity': 8, 'guarantee': True}),\n  ('partial repair boundary #1',\n   [[922, 571, 11, 40, 49, 776, 996, 952, 946, 14, 108, 822, 888, 25], {'pity': 84, 'guarantee': False}],\n   {'results': '-L------------', 'pity': 12, 'guarantee': True}),\n  ('partial repair boundary #2',\n   [[4, 155, 441, 951, 967, 353, 21], {'pity': 68, 'guarantee': False}],\n   {'results': 'F------', 'pity': 6, 'guarantee': False}),\n  ('first soft pity pull #1',\n   [[100, 3], {'pity': 73, 'guarantee': True}],\n   {'results': '-F', 'pity': 0, 'guarantee': False}),\n  ('control #1',\n   [[15, 31, 302, 259, 332, 886, 12, 851, 55, 45, 6, 903, 946, 869, 725], {'pity': 88, 'guarantee': True}],\n   {'results': 'F--------------', 'pity': 14, 'guarantee': False})],\n [('lost fifty fifty then featured #1',\n   [[1, 999, 0], {'pity': 10, 'guarantee': False}],\n   {'results': 'L-F', 'pity': 0, 'guarantee': False}),\n  ('hard pity pull #1',\n   [[999, 999], {'pity': 89, 'guarantee': False}],\n   {'results': 'L-', 'pity': 1, 'guarantee': True}),\n  ('regression featured coin #1',\n   [[935, 90, 29, 166, 937, 997, 903, 315, 848, 1, 893, 36, 218, 730, 858, 726, 972, 10],\n    {'pity': 89, 'guarantee': True}],\n   {'results': 'F--------L--------', 'pity': 8, 'guarantee': True}),\n  ('regression featured coin #2',\n   [[346, 740, 973, 629, 933, 35, 831, 930, 214, 969, 923], {'pity': 73, 'guarantee': False}],\n   {'results': '-----L-----', 'pity': 5, 'guarantee': True}),\n  ('partial repair boundary #1',\n   [[922, 571, 11, 40, 49, 776, 996, 952, 946, 14, 108, 822, 888, 25], {'pity': 84, 'guarantee': False}],\n   {'results': '-L------------', 'pity': 12, 'guarantee': True}),\n  ('regression featured coin #3',\n   [[18, 973, 5], {'pity': 72, 'guarantee': False}],\n   {'results': '--L', 'pity': 0, 'guarantee': True}),\n  ('first soft pity pull #1',\n   [[100, 3], {'pity': 73, 'guarantee': True}],\n   {'results': '-F', 'pity': 0, 'guarantee': False}),\n  ('control #1',\n   [[15, 31, 302, 259, 332, 886, 12, 851, 55, 45, 6, 903, 946, 869, 725], {'pity': 88, 'guarantee': True}],\n   {'results': 'F--------------', 'pity': 14, 'guarantee': False})],\n [('lost fifty fifty then featured #1',\n   [[1, 999, 0], {'pity': 10, 'guarantee': False}],\n   {'results': 'L-F', 'pity': 0, 'guarantee': False}),\n  ('hard pity pull #1',\n   [[999, 999], {'pity': 89, 'guarantee': False}],\n   {'results': 'L-', 'pity': 1, 'guarantee': True}),\n  ('regression featured coin #1',\n   [[860, 832, 950, 795, 21, 53, 128, 667, 5, 11, 16], {'pity': 0, 'guarantee': False}],\n   {'results': '--------L--', 'pity': 2, 'guarantee': True}),\n  ('regression featured coin #2',\n   [[984, 954, 47, 297, 21, 192, 35, 1, 87, 521, 965, 945, 130, 990], {'pity': 72, 'guarantee': True}],\n   {'results': '--F----L------', 'pity': 6, 'guarantee': True}),\n  ('regression featured coin #3',\n   [[935, 90, 29, 166, 937, 997, 903, 315, 848, 1, 893, 36, 218, 730, 858, 726, 972, 10],\n    {'pity': 89, 'guarantee': True}],\n   {'results': 'F--------L--------', 'pity': 8, 'guarantee': True}),\n  ('partial repair boundary #1',\n   [[4, 155, 441, 951, 967, 353, 21], {'pity': 68, 'guarantee': False}],\n   {'results': 'F------', 'pity': 6, 'guarantee': False}),\n  ('first soft pity pull #1',\n   [[100, 3], {'pity': 73, 'guarantee': True}],\n   {'results': '-F', 'pity': 0, 'guarantee': False}),\n  ('control #1',\n   [[507, 965, 27, 525, 851], {'pity': 73, 'guarantee': True}],\n   {'results': '--F--', 'pity': 2, 'guarantee': False})],\n [('lost fifty fifty then featured #1',\n   [[1, 999, 0], {'pity': 10, 'guarantee': False}],\n   {'results': 'L-F', 'pity': 0, 'guarantee': False}),\n  ('hard pity pull #1',\n   [[999, 999], {'pity': 89, 'guarantee': False}],\n   {'results': 'L-', 'pity': 1, 'guarantee': True}),\n  ('regression featured coin #1',\n   [[4, 981, 950, 937, 739, 13, 768, 921, 979, 2, 3, 996], {'pity': 89, 'guarantee': False}],\n   {'results': 'F--------FL-', 'pity': 1, 'guarantee': True}),\n  ('regression featured coin #2',\n   [[711, 926, 856, 59, 840, 978, 927, 160, 919, 993, 878, 579, 989], {'pity': 73, 'guarantee': False}],\n   {'results': '---L---------', 'pity': 9, 'guarantee': True}),\n  ('regression featured coin #3',\n   [[346, 740, 973, 629, 933, 35, 831, 930, 214, 969, 923], {'pity': 73, 'guarantee': False}],\n   {'results': '-----L-----', 'pity': 5, 'guarantee': True}),\n  ('partial repair boundary #1',\n   [[4, 42, 253, 999, 775, 819, 42, 973, 811, 307, 835, 958, 247, 22], {'pity': 73, 'guarantee': False}],\n   {'results': 'F-------------', 'pity': 13, 'guarantee': False}),\n  ('first soft pity pull #1',\n   [[100, 3], {'pity': 73, 'guarantee': True}],\n   {'results': '-F', 'pity': 0, 'guarantee': False}),\n  ('control #1',\n   [[480, 489, 823, 13, 936, 776, 44, 409, 26, 974, 9, 54, 911, 804, 433, 47, 942, 847],\n    {'pity': 89, 'guarantee': True}],\n   {'results': 'F-----------------', 'pity': 17, 'guarantee': False})],\n [('lost fifty fifty then featured #1',\n   [[1, 999, 0], {'pity': 10, 'guarantee': False}],\n   {'results': 'L-F', 'pity': 0, 'guarantee': False}),\n  ('hard pity pull #1',\n   [[999, 999], {'pity': 89, 'guarantee': False}],\n   {'results': 'L-', 'pity': 1, 'guarantee': True}),\n  ('regression featured coin #1',\n   [[55, 51, 37, 985, 339, 849, 34, 33, 811, 935, 6, 3], {'pity': 66, 'guarantee': False}],\n   {'results': '-------L---F', 'pity': 0, 'guarantee': False}),\n  ('regression featured coin #2',\n   [[13, 897, 905, 973, 838, 47, 24, 42, 813, 832, 963, 957, 47, 811, 56, 994, 13, 928],\n    {'pity': 89, 'guarantee': False}],\n   {'results': 'L-----------------', 'pity': 17, 'guarantee': True}),\n  ('regression featured coin #3',\n   [[860, 832, 950, 795, 21, 53, 128, 667, 5, 11, 16], {'pity': 0, 'guarantee': False}],\n   {'results': '--------L--', 'pity': 2, 'guarantee': True}),\n  ('partial repair boundary #1',\n   [[4], {'pity': 73, 'guarantee': False}],\n   {'results': 'F', 'pity': 0, 'guarantee': False}),\n  ('first soft pity pull #1',\n   [[100, 3], {'pity': 73, 'guarantee': True}],\n   {'results': '-F', 'pity': 0, 'guarantee': False}),\n  ('control #1', [[911], {'pity': 73, 'guarantee': True}], {'results': '-', 'pity': 74, 'guarantee': True})]]\nfor label, args, expected in cases[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":"60eed2030bccac32a8eff99e525ddd43054fefba2ec890f6824929fb8d7bdf83","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(rolls, state):\n    pity = state['pity']\n    guarantee = state['guarantee']\n    out = []\n    for r in rolls:\n        n = pity + 1\n        rate = 6\n        if n >= 74:\n            rate += 50 * (n - 73)\n        if n >= 90 or r < rate:\n            pity = 0\n            if guarantee or r < 500:\n                out.append('F')\n                guarantee = False\n            else:\n                out.append('L')\n                guarantee = True\n        else:\n            pity = n\n            out.append('-')\n    return {'results': ''.join(out), 'pity': pity, 'guarantee': guarantee}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncases = [[('lost fifty fifty then featured #1',\n   [[1, 999, 0], {'pity': 10, 'guarantee': False}],\n   {'results': 'L-F', 'pity': 0, 'guarantee': False}),\n  ('hard pity pull #1',\n   [[999, 999], {'pity': 89, 'guarantee': False}],\n   {'results': 'L-', 'pity': 1, 'guarantee': True}),\n  ('regression featured coin #1',\n   [[18, 973, 5], {'pity': 72, 'guarantee': False}],\n   {'results': '--L', 'pity': 0, 'guarantee': True}),\n  ('regression featured coin #2',\n   [[935, 90, 29, 166, 937, 997, 903, 315, 848, 1, 893, 36, 218, 730, 858, 726, 972, 10],\n    {'pity': 89, 'guarantee': True}],\n   {'results': 'F--------L--------', 'pity': 8, 'guarantee': True}),\n  ('partial repair boundary #1',\n   [[922, 571, 11, 40, 49, 776, 996, 952, 946, 14, 108, 822, 888, 25], {'pity': 84, 'guarantee': False}],\n   {'results': '-L------------', 'pity': 12, 'guarantee': True}),\n  ('partial repair boundary #2',\n   [[4, 155, 441, 951, 967, 353, 21], {'pity': 68, 'guarantee': False}],\n   {'results': 'F------', 'pity': 6, 'guarantee': False}),\n  ('first soft pity pull #1',\n   [[100, 3], {'pity': 73, 'guarantee': True}],\n   {'results': '-F', 'pity': 0, 'guarantee': False}),\n  ('control #1',\n   [[15, 31, 302, 259, 332, 886, 12, 851, 55, 45, 6, 903, 946, 869, 725], {'pity': 88, 'guarantee': True}],\n   {'results': 'F--------------', 'pity': 14, 'guarantee': False})],\n [('lost fifty fifty then featured #1',\n   [[1, 999, 0], {'pity': 10, 'guarantee': False}],\n   {'results': 'L-F', 'pity': 0, 'guarantee': False}),\n  ('hard pity pull #1',\n   [[999, 999], {'pity': 89, 'guarantee': False}],\n   {'results': 'L-', 'pity': 1, 'guarantee': True}),\n  ('regression featured coin #1',\n   [[935, 90, 29, 166, 937, 997, 903, 315, 848, 1, 893, 36, 218, 730, 858, 726, 972, 10],\n    {'pity': 89, 'guarantee': True}],\n   {'results': 'F--------L--------', 'pity': 8, 'guarantee': True}),\n  ('regression featured coin #2',\n   [[346, 740, 973, 629, 933, 35, 831, 930, 214, 969, 923], {'pity': 73, 'guarantee': False}],\n   {'results': '-----L-----', 'pity': 5, 'guarantee': True}),\n  ('partial repair boundary #1',\n   [[922, 571, 11, 40, 49, 776, 996, 952, 946, 14, 108, 822, 888, 25], {'pity': 84, 'guarantee': False}],\n   {'results': '-L------------', 'pity': 12, 'guarantee': True}),\n  ('regression featured coin #3',\n   [[18, 973, 5], {'pity': 72, 'guarantee': False}],\n   {'results': '--L', 'pity': 0, 'guarantee': True}),\n  ('first soft pity pull #1',\n   [[100, 3], {'pity': 73, 'guarantee': True}],\n   {'results': '-F', 'pity': 0, 'guarantee': False}),\n  ('control #1',\n   [[15, 31, 302, 259, 332, 886, 12, 851, 55, 45, 6, 903, 946, 869, 725], {'pity': 88, 'guarantee': True}],\n   {'results': 'F--------------', 'pity': 14, 'guarantee': False})],\n [('lost fifty fifty then featured #1',\n   [[1, 999, 0], {'pity': 10, 'guarantee': False}],\n   {'results': 'L-F', 'pity': 0, 'guarantee': False}),\n  ('hard pity pull #1',\n   [[999, 999], {'pity': 89, 'guarantee': False}],\n   {'results': 'L-', 'pity': 1, 'guarantee': True}),\n  ('regression featured coin #1',\n   [[860, 832, 950, 795, 21, 53, 128, 667, 5, 11, 16], {'pity': 0, 'guarantee': False}],\n   {'results': '--------L--', 'pity': 2, 'guarantee': True}),\n  ('regression featured coin #2',\n   [[984, 954, 47, 297, 21, 192, 35, 1, 87, 521, 965, 945, 130, 990], {'pity': 72, 'guarantee': True}],\n   {'results': '--F----L------', 'pity': 6, 'guarantee': True}),\n  ('regression featured coin #3',\n   [[935, 90, 29, 166, 937, 997, 903, 315, 848, 1, 893, 36, 218, 730, 858, 726, 972, 10],\n    {'pity': 89, 'guarantee': True}],\n   {'results': 'F--------L--------', 'pity': 8, 'guarantee': True}),\n  ('partial repair boundary #1',\n   [[4, 155, 441, 951, 967, 353, 21], {'pity': 68, 'guarantee': False}],\n   {'results': 'F------', 'pity': 6, 'guarantee': False}),\n  ('first soft pity pull #1',\n   [[100, 3], {'pity': 73, 'guarantee': True}],\n   {'results': '-F', 'pity': 0, 'guarantee': False}),\n  ('control #1',\n   [[507, 965, 27, 525, 851], {'pity': 73, 'guarantee': True}],\n   {'results': '--F--', 'pity': 2, 'guarantee': False})],\n [('lost fifty fifty then featured #1',\n   [[1, 999, 0], {'pity': 10, 'guarantee': False}],\n   {'results': 'L-F', 'pity': 0, 'guarantee': False}),\n  ('hard pity pull #1',\n   [[999, 999], {'pity': 89, 'guarantee': False}],\n   {'results': 'L-', 'pity': 1, 'guarantee': True}),\n  ('regression featured coin #1',\n   [[4, 981, 950, 937, 739, 13, 768, 921, 979, 2, 3, 996], {'pity': 89, 'guarantee': False}],\n   {'results': 'F--------FL-', 'pity': 1, 'guarantee': True}),\n  ('regression featured coin #2',\n   [[711, 926, 856, 59, 840, 978, 927, 160, 919, 993, 878, 579, 989], {'pity': 73, 'guarantee': False}],\n   {'results': '---L---------', 'pity': 9, 'guarantee': True}),\n  ('regression featured coin #3',\n   [[346, 740, 973, 629, 933, 35, 831, 930, 214, 969, 923], {'pity': 73, 'guarantee': False}],\n   {'results': '-----L-----', 'pity': 5, 'guarantee': True}),\n  ('partial repair boundary #1',\n   [[4, 42, 253, 999, 775, 819, 42, 973, 811, 307, 835, 958, 247, 22], {'pity': 73, 'guarantee': False}],\n   {'results': 'F-------------', 'pity': 13, 'guarantee': False}),\n  ('first soft pity pull #1',\n   [[100, 3], {'pity': 73, 'guarantee': True}],\n   {'results': '-F', 'pity': 0, 'guarantee': False}),\n  ('control #1',\n   [[480, 489, 823, 13, 936, 776, 44, 409, 26, 974, 9, 54, 911, 804, 433, 47, 942, 847],\n    {'pity': 89, 'guarantee': True}],\n   {'results': 'F-----------------', 'pity': 17, 'guarantee': False})],\n [('lost fifty fifty then featured #1',\n   [[1, 999, 0], {'pity': 10, 'guarantee': False}],\n   {'results': 'L-F', 'pity': 0, 'guarantee': False}),\n  ('hard pity pull #1',\n   [[999, 999], {'pity': 89, 'guarantee': False}],\n   {'results': 'L-', 'pity': 1, 'guarantee': True}),\n  ('regression featured coin #1',\n   [[55, 51, 37, 985, 339, 849, 34, 33, 811, 935, 6, 3], {'pity': 66, 'guarantee': False}],\n   {'results': '-------L---F', 'pity': 0, 'guarantee': False}),\n  ('regression featured coin #2',\n   [[13, 897, 905, 973, 838, 47, 24, 42, 813, 832, 963, 957, 47, 811, 56, 994, 13, 928],\n    {'pity': 89, 'guarantee': False}],\n   {'results': 'L-----------------', 'pity': 17, 'guarantee': True}),\n  ('regression featured coin #3',\n   [[860, 832, 950, 795, 21, 53, 128, 667, 5, 11, 16], {'pity': 0, 'guarantee': False}],\n   {'results': '--------L--', 'pity': 2, 'guarantee': True}),\n  ('partial repair boundary #1',\n   [[4], {'pity': 73, 'guarantee': False}],\n   {'results': 'F', 'pity': 0, 'guarantee': False}),\n  ('first soft pity pull #1',\n   [[100, 3], {'pity': 73, 'guarantee': True}],\n   {'results': '-F', 'pity': 0, 'guarantee': False}),\n  ('control #1', [[911], {'pity': 73, 'guarantee': True}], {'results': '-', 'pity': 74, 'guarantee': True})]]\nfor label, args, expected in cases[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":"Deterministic toy contract stipulated for this model; integer or exact arithmetic only, not a reproduction of any specific game engine. 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-game-economy-crafting-balance-banner-pity-featured-coin","generated_at":"2026-09-29T14:50:44.998093+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Game economies leak or destroy currency when one crafting or pricing rule is off by one boundary, rounding stage or state update; the defect is observable in exact integer outcomes.","root_cause":"The featured decision reuses a low-roll threshold that is correlated with hitting at all.","sha256":"76e1c630b81c82bd87bb33134fa168bdf583991e135e8a2245576d3a8a63bd1e","title":"Banner pity counter: Featured coin correlates with the rarity roll · 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":41.328,"exit_code":1,"observations":[{"actual":{"guarantee":true,"pity":0,"results":"F-L"},"check":"lost fifty fifty then featured #1","expected":{"guarantee":false,"pity":0,"results":"L-F"},"passed":false},{"actual":{"guarantee":false,"pity":1,"results":"F-"},"check":"hard pity pull #1","expected":{"guarantee":true,"pity":1,"results":"L-"},"passed":false},{"actual":{"guarantee":false,"pity":0,"results":"--F"},"check":"regression featured coin #1","expected":{"guarantee":true,"pity":0,"results":"--L"},"passed":false},{"actual":{"guarantee":false,"pity":8,"results":"F--------F--------"},"check":"regression featured coin #2","expected":{"guarantee":true,"pity":8,"results":"F--------L--------"},"passed":false},{"actual":{"guarantee":false,"pity":12,"results":"-F------------"},"check":"partial repair boundary #1","expected":{"guarantee":true,"pity":12,"results":"-L------------"},"passed":false},{"actual":{"guarantee":true,"pity":6,"results":"L------"},"check":"partial repair boundary #2","expected":{"guarantee":false,"pity":6,"results":"F------"},"passed":false},{"actual":{"guarantee":false,"pity":0,"results":"-F"},"check":"first soft pity pull #1","expected":{"guarantee":false,"pity":0,"results":"-F"},"passed":true},{"actual":{"guarantee":false,"pity":14,"results":"F--------------"},"check":"control #1","expected":{"guarantee":false,"pity":14,"results":"F--------------"},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"lost fifty fifty then featured #1\", \"actual\": {\"results\": \"F-L\", \"pity\": 0, \"guarantee\": true}, \"expected\": {\"results\": \"L-F\", \"pity\": 0, \"guarantee\": false}, \"passed\": false}, {\"check\": \"hard pity pull #1\", \"actual\": {\"results\": \"F-\", \"pity\": 1, \"guarantee\": false}, \"expected\": {\"results\": \"L-\", \"pity\": 1, \"guarantee\": true}, \"passed\": false}, {\"check\": \"regression featured coin #1\", \"actual\": {\"results\": \"--F\", \"pity\": 0, \"guarantee\": false}, \"expected\": {\"results\": \"--L\", \"pity\": 0, \"guarantee\": true}, \"passed\": false}, {\"check\": \"regression featured coin #2\", \"actual\": {\"results\": \"F--------F--------\", \"pity\": 8, \"guarantee\": false}, \"expected\": {\"results\": \"F--------L--------\", \"pity\": 8, \"guarantee\": true}, \"passed\": false}, {\"check\": \"partial repair boundary #1\", \"actual\": {\"results\": \"-F------------\", \"pity\": 12, \"guarantee\": false}, \"expected\": {\"results\": \"-L------------\", \"pity\": 12, \"guarantee\": true}, \"passed\": false}, {\"check\": \"partial repair boundary #2\", \"actual\": {\"results\": \"L------\", \"pity\": 6, \"guarantee\": true}, \"expected\": {\"results\": \"F------\", \"pity\": 6, \"guarantee\": false}, \"passed\": false}, {\"check\": \"first soft pity pull #1\", \"actual\": {\"results\": \"-F\", \"pity\": 0, \"guarantee\": false}, \"expected\": {\"results\": \"-F\", \"pity\": 0, \"guarantee\": false}, \"passed\": true}, {\"check\": \"control #1\", \"actual\": {\"results\": \"F--------------\", \"pity\": 14, \"guarantee\": false}, \"expected\": {\"results\": \"F--------------\", \"pity\": 14, \"guarantee\": false}, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":38.517,"exit_code":1,"observations":[{"actual":{"guarantee":false,"pity":0,"results":"F-F"},"check":"lost fifty fifty then featured #1","expected":{"guarantee":false,"pity":0,"results":"L-F"},"passed":false},{"actual":{"guarantee":true,"pity":1,"results":"L-"},"check":"hard pity pull #1","expected":{"guarantee":true,"pity":1,"results":"L-"},"passed":true},{"actual":{"guarantee":false,"pity":0,"results":"--F"},"check":"regression featured coin 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