{"abstract":"A move that removes the last liberty of two opponent chains leaves one of them on the board.","category":"Go territory scoring","checks":8,"contract":"Input [board, colour, row, col]. Occupied point -> [\"illegal\", \"occupied\"]. Otherwise place the stone, remove every adjacent opponent chain left without liberties, then reject the move as [\"illegal\", \"suicide\"] only if the placed chain still has no liberty. Return [new_board, captured_stone_count].","contract_signature":"x","evaluation_group":"w2-go-territory-scoring-move-capture","failed_approach":"Removing every chain but assigning the counter instead of accumulating reports only the last chain size.","family":"w2-go-territory-scoring-move-capture-multiple-adjacent-captures","id":"FA-82896","implementations":{"attempt":{"sha256":"a186506b9d4bc8b959b6d3cdf0ce7cefea9a0cbf346e89ff756252d74343faef","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    board, color, r, c = x\n    g = [list(row) for row in board]\n    n = len(g)\n    m = len(g[0])\n    if g[r][c] != '.':\n        return ['illegal', 'occupied']\n    opp = 'W' if color == 'B' else 'B'\n    g[r][c] = color\n    def group(i, j):\n        col = g[i][j]\n        stones = {(i, j)}\n        libs = set()\n        stack = [(i, j)]\n        while stack:\n            a, b = stack.pop()\n            for p, q in ((a, b + 1), (a + 1, b), (a, b - 1), (a - 1, b)):\n                if 0 <= p < n and 0 <= q < m:\n                    if g[p][q] == '.':\n                        libs.add((p, q))\n                    elif g[p][q] == col and (p, q) not in stones:\n                        stones.add((p, q))\n                        stack.append((p, q))\n        return stones, libs\n    captured = 0\n    for p, q in ((r + 1, c), (r - 1, c), (r, c + 1), (r, c - 1)):\n        if 0 <= p < n and 0 <= q < m and g[p][q] == opp:\n            stones, libs = group(p, q)\n            if not libs:\n                for s, t in stones:\n                    g[s][t] = '.'\n                captured = len(stones)\n    stones, libs = group(r, c)\n    if not libs:\n        return ['illegal', 'suicide']\n    return [[''.join(row) for row in g], captured]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[[[['...', '...', '...'], 'W', 2, 0], [['...', '...', 'W..'], 0]], [[['.B.', 'B.B', '.B.'], 'W', 2, 2], ['illegal', 'suicide']], [[['.B.', 'B.B', '.B.'], 'W', 2, 0], ['illegal', 'suicide']], [[['.B.', 'B.B', '.B.'], 'B', 0, 0], [['BB.', 'B.B', '.B.'], 0]], [[['.B.', 'B.B', '.B.'], 'B', 0, 2], [['.BB', 'B.B', '.B.'], 0]], [[['.B.', 'B.B', '.B.'], 'B', 0, 1], ['illegal', 'occupied']], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]]], [[[['B..W', 'B..W', 'B..W', 'B..W'], 'B', 1, 1], [['B..W', 'BB.W', 'B..W', 'B..W'], 0]], [[['B..W', 'B..W', 'B..W', 'B..W'], 'W', 0, 2], [['B.WW', 'B..W', 'B..W', 'B..W'], 0]], [[['B..W', 'B..W', 'B..W', 'B..W'], 'B', 0, 1], [['BB.W', 'B..W', 'B..W', 'B..W'], 0]], [[['B..W', 'B..W', 'B..W', 'B..W'], 'B', 2, 0], ['illegal', 'occupied']], [[['.BW.', '.BW.', '.BW.', '.BW.'], 'W', 2, 3], [['.BW.', '.BW.', '.BWW', '.BW.'], 0]], [[['.BW.', '.BW.', '.BW.', '.BW.'], 'W', 0, 0], [['WBW.', '.BW.', '.BW.', '.BW.'], 0]], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]], [[['BWB', 'W.W', 'BWB'], 'B', 1, 1], [['B.B', '.B.', 'B.B'], 4]]], [[[['.BW.', '.BW.', '.BW.', '.BW.'], 'B', 2, 0], [['.BW.', '.BW.', 'BBW.', '.BW.'], 0]], [[['.BW.', '.BW.', '.BW.', '.BW.'], 'B', 0, 2], ['illegal', 'occupied']], [[['..B..', '..B..', 'BBBBB', 'WWWWW', '..W..'], 'B', 0, 0], [['B.B..', '..B..', 'BBBBB', 'WWWWW', '..W..'], 0]], [[['..B..', '..B..', 'BBBBB', 'WWWWW', '..W..'], 'B', 1, 1], [['..B..', '.BB..', 'BBBBB', 'WWWWW', '..W..'], 0]], [[['..B..', '..B..', 'BBBBB', 'WWWWW', '..W..'], 'B', 4, 0], [['..B..', '..B..', 'BBBBB', 'WWWWW', 'B.W..'], 0]], [[['..B..', '..B..', 'BBBBB', 'WWWWW', '..W..'], 'B', 0, 1], [['.BB..', '..B..', 'BBBBB', 'WWWWW', '..W..'], 0]], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]], [[['.WB.', 'B.WB', 'W.BW'], 'W', 0, 3], [['.W.W', 'B.W.', 'W.BW'], 2]]], [[[['B.B.W', '.B.W.', 'B.BW.', 'BBW.W', '..W..'], 'W', 2, 1], ['illegal', 'suicide']], [[['B.B.W', '.B.W.', 'B.BW.', 'BBW.W', '..W..'], 'W', 0, 1], ['illegal', 'suicide']], [[['B.B.W', '.B.W.', 'B.BW.', 'BBW.W', '..W..'], 'B', 4, 3], [['B.B.W', '.B.W.', 'B.BW.', 'BBW.W', '..WB.'], 0]], [[['B.B.W', '.B.W.', 'B.BW.', 'BBW.W', '..W..'], 'B', 2, 4], [['B.B.W', '.B.W.', 'B.BWB', 'BBW.W', '..W..'], 0]], [[['B.B.W', '.B.W.', 'B.BW.', 'BBW.W', '..W..'], 'B', 3, 2], ['illegal', 'occupied']], [[['W....', '.....', '.....', '.....', '....B'], 'W', 4, 1], [['W....', '.....', '.....', '.....', '.W..B'], 0]], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]]], [[[['W....', '.....', '.....', '.....', '....B'], 'W', 3, 0], [['W....', '.....', '.....', 'W....', '....B'], 0]], [[['W....', '.....', '.....', '.....', '....B'], 'W', 4, 0], [['W....', '.....', '.....', '.....', 'W...B'], 0]], [[['W....', '.....', '.....', '.....', '....B'], 'B', 4, 4], ['illegal', 'occupied']], [[['.W.B.', 'W.WB.', '.WB..', 'WB...', 'B....'], 'W', 0, 2], [['.WWB.', 'W.WB.', '.WB..', 'WB...', 'B....'], 0]], [[['.W.B.', 'W.WB.', '.WB..', 'WB...', 'B....'], 'W', 0, 0], [['WW.B.', 'W.WB.', '.WB..', 'WB...', 'B....'], 0]], [[['.W.B.', 'W.WB.', '.WB..', 'WB...', 'B....'], 'B', 2, 4], [['.W.B.', 'W.WB.', '.WB.B', 'WB...', 'B....'], 0]], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]], [[['BWB', 'W.W', 'BWB'], 'B', 1, 1], [['B.B', '.B.', 'B.B'], 4]]]]\nfor i, (args, expected) in enumerate(fixtures[N-1]):\n    check(\"move result case %d\" % i, 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":"67643e254b8c3b488f8e48f282f2d3e5fc4e30b2793991355452790cde6c4ca8","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    board, color, r, c = x\n    g = [list(row) for row in board]\n    n = len(g)\n    m = len(g[0])\n    if g[r][c] != '.':\n        return ['illegal', 'occupied']\n    opp = 'W' if color == 'B' else 'B'\n    g[r][c] = color\n    def group(i, j):\n        col = g[i][j]\n        stones = {(i, j)}\n        libs = set()\n        stack = [(i, j)]\n        while stack:\n            a, b = stack.pop()\n            for p, q in ((a, b + 1), (a + 1, b), (a, b - 1), (a - 1, b)):\n                if 0 <= p < n and 0 <= q < m:\n                    if g[p][q] == '.':\n                        libs.add((p, q))\n                    elif g[p][q] == col and (p, q) not in stones:\n                        stones.add((p, q))\n                        stack.append((p, q))\n        return stones, libs\n    captured = 0\n    for p, q in ((r + 1, c), (r - 1, c), (r, c + 1), (r, c - 1)):\n        if 0 <= p < n and 0 <= q < m and g[p][q] == opp:\n            stones, libs = group(p, q)\n            if not libs:\n                for s, t in stones:\n                    g[s][t] = '.'\n                captured += len(stones)\n                break\n    stones, libs = group(r, c)\n    if not libs:\n        return ['illegal', 'suicide']\n    return [[''.join(row) for row in g], captured]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[[[['...', '...', '...'], 'W', 2, 0], [['...', '...', 'W..'], 0]], [[['.B.', 'B.B', '.B.'], 'W', 2, 2], ['illegal', 'suicide']], [[['.B.', 'B.B', '.B.'], 'W', 2, 0], ['illegal', 'suicide']], [[['.B.', 'B.B', '.B.'], 'B', 0, 0], [['BB.', 'B.B', '.B.'], 0]], [[['.B.', 'B.B', '.B.'], 'B', 0, 2], [['.BB', 'B.B', '.B.'], 0]], [[['.B.', 'B.B', '.B.'], 'B', 0, 1], ['illegal', 'occupied']], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]]], [[[['B..W', 'B..W', 'B..W', 'B..W'], 'B', 1, 1], [['B..W', 'BB.W', 'B..W', 'B..W'], 0]], [[['B..W', 'B..W', 'B..W', 'B..W'], 'W', 0, 2], [['B.WW', 'B..W', 'B..W', 'B..W'], 0]], [[['B..W', 'B..W', 'B..W', 'B..W'], 'B', 0, 1], [['BB.W', 'B..W', 'B..W', 'B..W'], 0]], [[['B..W', 'B..W', 'B..W', 'B..W'], 'B', 2, 0], ['illegal', 'occupied']], [[['.BW.', '.BW.', '.BW.', '.BW.'], 'W', 2, 3], [['.BW.', '.BW.', '.BWW', '.BW.'], 0]], [[['.BW.', '.BW.', '.BW.', '.BW.'], 'W', 0, 0], [['WBW.', '.BW.', '.BW.', '.BW.'], 0]], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]], [[['BWB', 'W.W', 'BWB'], 'B', 1, 1], [['B.B', '.B.', 'B.B'], 4]]], [[[['.BW.', '.BW.', '.BW.', '.BW.'], 'B', 2, 0], [['.BW.', '.BW.', 'BBW.', '.BW.'], 0]], [[['.BW.', '.BW.', '.BW.', '.BW.'], 'B', 0, 2], ['illegal', 'occupied']], [[['..B..', '..B..', 'BBBBB', 'WWWWW', '..W..'], 'B', 0, 0], [['B.B..', '..B..', 'BBBBB', 'WWWWW', '..W..'], 0]], [[['..B..', '..B..', 'BBBBB', 'WWWWW', '..W..'], 'B', 1, 1], [['..B..', '.BB..', 'BBBBB', 'WWWWW', '..W..'], 0]], [[['..B..', '..B..', 'BBBBB', 'WWWWW', '..W..'], 'B', 4, 0], [['..B..', '..B..', 'BBBBB', 'WWWWW', 'B.W..'], 0]], [[['..B..', '..B..', 'BBBBB', 'WWWWW', '..W..'], 'B', 0, 1], [['.BB..', '..B..', 'BBBBB', 'WWWWW', '..W..'], 0]], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]], [[['.WB.', 'B.WB', 'W.BW'], 'W', 0, 3], [['.W.W', 'B.W.', 'W.BW'], 2]]], [[[['B.B.W', '.B.W.', 'B.BW.', 'BBW.W', '..W..'], 'W', 2, 1], ['illegal', 'suicide']], [[['B.B.W', '.B.W.', 'B.BW.', 'BBW.W', '..W..'], 'W', 0, 1], ['illegal', 'suicide']], [[['B.B.W', '.B.W.', 'B.BW.', 'BBW.W', '..W..'], 'B', 4, 3], [['B.B.W', '.B.W.', 'B.BW.', 'BBW.W', '..WB.'], 0]], [[['B.B.W', '.B.W.', 'B.BW.', 'BBW.W', '..W..'], 'B', 2, 4], [['B.B.W', '.B.W.', 'B.BWB', 'BBW.W', '..W..'], 0]], [[['B.B.W', '.B.W.', 'B.BW.', 'BBW.W', '..W..'], 'B', 3, 2], ['illegal', 'occupied']], [[['W....', '.....', '.....', '.....', '....B'], 'W', 4, 1], [['W....', '.....', '.....', '.....', '.W..B'], 0]], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]]], [[[['W....', '.....', '.....', '.....', '....B'], 'W', 3, 0], [['W....', '.....', '.....', 'W....', '....B'], 0]], [[['W....', '.....', '.....', '.....', '....B'], 'W', 4, 0], [['W....', '.....', '.....', '.....', 'W...B'], 0]], [[['W....', '.....', '.....', '.....', '....B'], 'B', 4, 4], ['illegal', 'occupied']], [[['.W.B.', 'W.WB.', '.WB..', 'WB...', 'B....'], 'W', 0, 2], [['.WWB.', 'W.WB.', '.WB..', 'WB...', 'B....'], 0]], [[['.W.B.', 'W.WB.', '.WB..', 'WB...', 'B....'], 'W', 0, 0], [['WW.B.', 'W.WB.', '.WB..', 'WB...', 'B....'], 0]], [[['.W.B.', 'W.WB.', '.WB..', 'WB...', 'B....'], 'B', 2, 4], [['.W.B.', 'W.WB.', '.WB.B', 'WB...', 'B....'], 0]], [[['WB.BB', 'B.B.W', 'B.WBB', 'BWBW.'], 'B', 2, 1], [['WB.BB', 'B.B.W', 'BB.BB', 'B.BW.'], 2]], [[['BWB', 'W.W', 'BWB'], 'B', 1, 1], [['B.B', '.B.', 'B.B'], 4]]]]\nfor i, (args, expected) in enumerate(fixtures[N-1]):\n    check(\"move result case %d\" % i, 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":"Small rectangular toy boards given as strings of B, W and dot; a bounded teaching model of one scoring or bookkeeping rule, not a complete rules engine or server implementation. 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-go-territory-scoring-move-capture-multiple-adjacent-captures","generated_at":"2026-09-29T14:50:16.445998+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Go servers and scoring tools compute this value automatically; a wrong answer changes a game result.","root_cause":"The capture loop stops after the first captured chain.","sha256":"4a75762e5312b995aa0d6c29e95770929b2bd1e648f993880fd4272660d7a6bc","title":"Only one of several simultaneously captured chains is removed · 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":42.936,"exit_code":1,"observations":[{"actual":[["...","...","W.."],0],"check":"move result case 0","expected":[["...","...","W.."],0],"passed":true},{"actual":["illegal","suicide"],"check":"move result case 1","expected":["illegal","suicide"],"passed":true},{"actual":["illegal","suicide"],"check":"move result case 2","expected":["illegal","suicide"],"passed":true},{"actual":[["BB.","B.B",".B."],0],"check":"move result case 3","expected":[["BB.","B.B",".B."],0],"passed":true},{"actual":[[".BB","B.B",".B."],0],"check":"move result case 4","expected":[[".BB","B.B",".B."],0],"passed":true},{"actual":["illegal","occupied"],"check":"move result case 5","expected":["illegal","occupied"],"passed":true},{"actual":[["WB.BB","B.B.W","BB.BB","B.BW."],1],"check":"move result case 6","expected":[["WB.BB","B.B.W","BB.BB","B.BW."],2],"passed":false},{"actual":[["WB.BB","B.B.W","BB.BB","B.BW."],1],"check":"move result case 7","expected":[["WB.BB","B.B.W","BB.BB","B.BW."],2],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"move result case 0\", \"actual\": [[\"...\", \"...\", \"W..\"], 0], \"expected\": [[\"...\", \"...\", \"W..\"], 0], \"passed\": true}, {\"check\": \"move result case 1\", \"actual\": [\"illegal\", \"suicide\"], \"expected\": [\"illegal\", \"suicide\"], \"passed\": true}, {\"check\": \"move result case 2\", \"actual\": [\"illegal\", \"suicide\"], \"expected\": [\"illegal\", \"suicide\"], \"passed\": true}, {\"check\": \"move result case 3\", \"actual\": [[\"BB.\", \"B.B\", \".B.\"], 0], \"expected\": [[\"BB.\", \"B.B\", \".B.\"], 0], \"passed\": true}, {\"check\": \"move result case 4\", \"actual\": [[\".BB\", \"B.B\", \".B.\"], 0], \"expected\": [[\".BB\", \"B.B\", \".B.\"], 0], \"passed\": true}, {\"check\": \"move result case 5\", \"actual\": [\"illegal\", \"occupied\"], \"expected\": [\"illegal\", \"occupied\"], \"passed\": true}, {\"check\": \"move result case 6\", \"actual\": [[\"WB.BB\", \"B.B.W\", \"BB.BB\", \"B.BW.\"], 1], \"expected\": [[\"WB.BB\", \"B.B.W\", \"BB.BB\", \"B.BW.\"], 2], \"passed\": false}, {\"check\": \"move result case 7\", \"actual\": [[\"WB.BB\", \"B.B.W\", \"BB.BB\", \"B.BW.\"], 1], \"expected\": [[\"WB.BB\", \"B.B.W\", \"BB.BB\", \"B.BW.\"], 2], \"passed\": false}], \"passed\": false}\n"},"broken":{"elapsed_ms":41.08,"exit_code":1,"observations":[{"actual":[["...","...","W.."],0],"check":"move result case 0","expected":[["...","...","W.."],0],"passed":true},{"actual":["illegal","suicide"],"check":"move result case 1","expected":["illegal","suicide"],"passed":true},{"actual":["illegal","suicide"],"check":"move result case 2","expected":["illegal","suicide"],"passed":true},{"actual":[["BB.","B.B",".B."],0],"check":"move result case 3","expected":[["BB.","B.B",".B."],0],"passed":true},{"actual":[[".BB","B.B",".B."],0],"check":"move result case 4","expected":[[".BB","B.B",".B."],0],"passed":true},{"actual":["illegal","occupied"],"check":"move result case 5","expected":["illegal","occupied"],"passed":true},{"actual":[["WB.BB","B.B.W","BBWBB","B.BW."],1],"check":"move result case 6","expected":[["WB.BB","B.B.W","BB.BB","B.BW."],2],"passed":false},{"actual":[["WB.BB","B.B.W","BBWBB","B.BW."],1],"check":"move result case 7","expected":[["WB.BB","B.B.W","BB.BB","B.BW."],2],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"move result case 0\", \"actual\": [[\"...\", \"...\", \"W..\"], 0], \"expected\": [[\"...\", \"...\", \"W..\"], 0], \"passed\": true}, {\"check\": \"move result case 1\", \"actual\": [\"illegal\", \"suicide\"], \"expected\": [\"illegal\", \"suicide\"], \"passed\": true}, {\"check\": \"move result case 2\", \"actual\": [\"illegal\", \"suicide\"], \"expected\": [\"illegal\", \"suicide\"], \"passed\": true}, {\"check\": \"move result case 3\", \"actual\": [[\"BB.\", \"B.B\", \".B.\"], 0], \"expected\": [[\"BB.\", \"B.B\", \".B.\"], 0], \"passed\": true}, {\"check\": \"move result case 4\", \"actual\": [[\".BB\", \"B.B\", \".B.\"], 0], \"expected\": [[\".BB\", \"B.B\", \".B.\"], 0], \"passed\": true}, {\"check\": \"move result case 5\", \"actual\": [\"illegal\", \"occupied\"], \"expected\": [\"illegal\", \"occupied\"], \"passed\": true}, {\"check\": \"move result case 6\", \"actual\": [[\"WB.BB\", \"B.B.W\", \"BBWBB\", \"B.BW.\"], 1], \"expected\": [[\"WB.BB\", \"B.B.W\", \"BB.BB\", \"B.BW.\"], 2], \"passed\": false}, {\"check\": \"move result case 7\", \"actual\": [[\"WB.BB\", \"B.B.W\", \"BBWBB\", \"B.BW.\"], 1], \"expected\": [[\"WB.BB\", \"B.B.W\", \"BB.BB\", \"B.BW.\"], 2], \"passed\": false}], \"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."}}