Pakar German Whispers Sudoku
Digit bersebelahan pada garis hijau mesti berbeza sekurang-kurangnya 5. Pergantian tinggi-rendah yang dipaksa ini membentuk keseluruhan penyelesaian.
Pakar Sudoku Bisikan Jerman. Rantai paksaan pariti merentas seluruh papan — teka-teki bisikan paling sukar di laman.
6
4
9
5
3
1
3
6
5
8
2
7
5
3
5
4
6
4
3
1
8
1
6
9
7
1
Apakah Bisikan Jerman?
Kesukaran
★★★★☆
4/5
Jenis Kekangan
Kekangan Garis
Biasa Diberi
18–26
Purata Selesaikan (Pakar)
74 min
Teknik Penyelesaian untuk Tahap Pakar
| Teknik | Penerangan | Tahap |
|---|---|---|
| High-Low Alternation | Adjacent cells on the line must differ by ≥ 5. This forces a strict alternating high-low pattern: low (1–4) alternates with high (6–9). | Pemula |
| Digit 5 Exclusion | 5 cannot appear on any German Whispers line — no digit within 1–9 differs from 5 by at least 5. Eliminate 5 from all line cells immediately. | Pemula |
| Low-Set {1,2,3,4} / High-Set {6,7,8,9} | Every whisper cell belongs to one of these two sets. Apply row/column/box constraints within each set to narrow candidates. | Pertengahan |
| Endpoint Parity | The parity (high or low) of the line is not fixed — it's determined by surrounding constraints. Resolving one endpoint propagates the alternation inward. | Lanjutan |
Teknik untuk Dikuasai pada Pakar
- Teknik X-Wing — Expert whisper grids thread lines through nearly every box; once alternation is mapped, fish on 4 and 6 — the digits with the single whisper partner (9 and 1 respectively).
- Swordfish technique — Long lines push lows and highs into repeating column patterns across rows; a Swordfish on a low digit across three line-heavy rows typically breaks the expert endgame.
Purata Masa Selesaikan mengikut Kesukaran
Mudah
10 min
Sederhana
22 min
Sukar
44 min
Pakar
74 min
Nak panduan lengkap peraturan, strategi, dan langkah penyelesaian?
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Varian Berkaitan
Sudoku Renban
Both are coloured-line constraints — whispers force big jumps between neighbours while renban forces a tight consecutive set.
Between Lines Sudoku
Another line variant about value ranges: every line digit must fall strictly between the two circled endpoints.
Thermo Sudoku
If you like how whisper lines polarise digits into highs and lows, thermometers impose a full ordering along the line.
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