第 3502678 期
7 + 3 + 3 = 13
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| A | 3 + 13 + 26 + 45 + 54 + 66 | = 207 → 7 |
|---|---|---|
| B | 6 + 17 + 37 + 48 + 57 + 68 | = 233 → 3 |
| C | 8 + 20 + 42 + 52 + 59 + 72 | = 253 → 3 |