專家連番數獨
每條紫色線上的數字形成一組連續數字，順序不限。線的長度告訴你範圍。
專家 Renban數獨。密集的線網絡，其中序列不變量和跨宮限制驅動每個推理。無需猜測。
4
3
1
3
8
4
9
6
5
2
6
3
8
4
9
5
5
2
5
9
3
7
9
1
6
什麼是 Renban數獨？
難度
★★★★☆
4/5
約束類型
線條約束
典型給定數
20–28
平均解題時間（專家）
72分鐘
解題技巧：專家 等級
| 技巧 | 描述 | 等級 |
|---|---|---|
| Length-Based Range | A Renban line of length L must contain L consecutive integers. The starting value is between 1 and 10−L, giving 10−L possible ranges. | 初學者 |
| Shared Cell Intersection | If two Renban lines share a cell, that cell's value must fit both lines' consecutive ranges. Intersect the ranges to find valid values. | 中級 |
| Single-Range Reduction | When a Renban line's valid range reduces to a single starting value, all cell values are fully determined (in some order). | 中級 |
| Renban–Box Interaction | Digits on a Renban line within one box restrict the box's remaining cells. Use box uniqueness to narrow the line's range. | 進階 |
在 專家 需要掌握的技巧
- X-Wing 技巧 — Expert renban grids overlap long lines so runs stay ambiguous — fish on the digits no candidate run can reach, then feed each elimination back into the run lists.
- Swordfish technique — Parallel renban lines push the same excluded digits into matching off-line columns, three rows at a time — expert endgames here are textbook Swordfish territory.
依難度平均解題時間
簡單
10分鐘
中等
22分鐘
困難
42分鐘
專家
72分鐘
想要規則、策略和解題步驟的完整演練嗎？
如何遊玩 Renban數獨 →
相關變體
德式低語
The mirror image of renban logic: lines that forbid close digits instead of requiring a consecutive run.
回文數獨
Another line whose meaning is about the set of digits on it — here the line must read the same in both directions.
區間數獨
Swaps the consecutive-run rule for a bounded-range rule anchored by two endpoint circles — kindred range reasoning.
常見問題 — 專家 連番數獨
還有問題？請參閱完整 Renban數獨指南.