專家字母數獨
將數字替換為字母A–I。每一行、列和宮都必須恰好包含每個字母一次。免費，無需登入。
專家 字母數獨。本站最難的字母謎題——每個填入都由精確邏輯強制，從 X-Wings 到強制鏈。不猜測。
G
A
B
I
B
D
F
I
D
F
F
I
D
I
A
G
C
H
I
G
A
B
B
F
什麼是 字母/文字數獨？
難度
★★☆☆☆
2/5
約束類型
Letter Substitution
典型給定數
24–32
平均解題時間（專家）
45分鐘
解題技巧：專家 等級
| 技巧 | 描述 | 等級 |
|---|---|---|
| Same Logic, Different Symbols | Every classic Sudoku technique applies — just with letters A–I instead of 1–9. Scanning, naked singles, and box interactions all work identically. | 初學者 |
| Letter-to-Number Mapping | Internally, A=1, B=2, …, I=9. If numbers are more comfortable, mentally map each letter to its digit while solving. | 初學者 |
| Word Spotting | Some Alphabet Sudoku puzzles are designed so a completed row or diagonal spells a recognisable word — identifying the target word can provide placement hints. | 中級 |
在 專家 需要掌握的技巧
- X-Wing 技巧 — Expert alphabet grids match expert classic Sudoku move for move — run your fish scans letter by letter, in a fixed A-to-I order so none gets skipped.
- Swordfish technique — Three rows confining the same letter to three shared columns form a Swordfish regardless of symbol set — expert alphabet endgames lean on it exactly as digit grids do.
依難度平均解題時間
簡單
5分鐘
中等
12分鐘
困難
25分鐘
專家
45分鐘
想要規則、策略和解題步驟的完整演練嗎？
如何遊玩 字母/文字數獨 →
相關變體
迷你數獨 (4×4)
The other easy-entry variant — identical logic to classic Sudoku shrunk to a 4×4 grid you can finish in minutes.
奇數 / 偶數數獨
Reintroduces number properties gently: shaded cells tell you the parity of the digit inside.
連續數獨
A first step into relationship clues — bars mark neighbouring cells whose values differ by exactly 1.
常見問題 — 專家 字母數獨
還有問題？請參閱完整 字母數獨指南.