第 3506471 期
2 + 7 + 3 = 12
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| A | 6 + 14 + 24 + 46 + 67 + 75 | = 232 → 2 |
|---|---|---|
| B | 7 + 15 + 31 + 50 + 68 + 76 | = 247 → 7 |
| C | 10 + 16 + 43 + 56 + 71 + 77 | = 273 → 3 |