Sudoku Bisikan Jerman
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Kesilapan
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Masa
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Kemajuan0%
Mudah ยท Bisikan Jerman
Tukar kesukaran di atas โ
Cara bermain German Whispers Sudoku
Peraturan Sudoku standard terpakai. Mana-mana dua sel bersebelahan di sepanjang garis hijau mesti berbeza sekurang-kurangnya 5. Ini memaksa penggiliran antara nilai besar (6โ9) dan kecil (1โ4).
Panduan penuh โ
Digit bersebelahan pada garis hijau mesti berbeza sekurang-kurangnya 5
Bisikan Jerman Mudah
Bisikan Jerman Sederhana
Bisikan Jerman Sukar
Bisikan Jerman Pakar
Apakah Bisikan Jerman?
German Whispers (juga dikenali sebagai Whisper Sudoku) melukis garis hijau pada grid. Mana-mana dua digit yang bersebelahan pada garis mesti berbeza sekurang-kurangnya 5. Kerana perbezaan minimum ialah 5 dan digit berkisar dari 1โ9, ini mencipta corak tinggi-rendah berselang yang kuat: jika satu sel rendah (1โ4), seterusnya mestilah tinggi (6โ9) dan sebaliknya. Kekangan garis menyingkirkan 5 sebagai digit sah dalam kebanyakan kedudukan.
Sekilas Pandang
| Jenis kekangan | Kekangan Garis |
| Biasa diberi | 18โ26 |
| Penilaian kesukaran | โ โ โ โ โ 4/5 |
| Purata masa selesaikan โ Mudah | 10 min |
| Purata masa selesaikan โ Sederhana | 22 min |
| Purata masa selesaikan โ Sukar | 44 min |
| Purata masa selesaikan โ Pakar | 74 min |
Cara Menyelesaikan Bisikan Jerman
| Teknik | Apa yang dilakukannya | Tahap |
|---|---|---|
| High-Low Alternation | Adjacent cells on the line must differ by โฅ 5. This forces a strict alternating high-low pattern: low (1โ4) alternates with high (6โ9). | Lanjutan |
| Digit 5 Exclusion | 5 cannot appear on any German Whispers line โ no digit within 1โ9 differs from 5 by at least 5. Eliminate 5 from all line cells immediately. | Lanjutan |
| 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. | Lanjutan |
| Endpoint Parity | The parity (high or low) of the line is not fixed โ it's determined by surrounding constraints. Resolving one endpoint propagates the alternation inward. | Lanjutan |
Purata Masa Selesaikan
Mudah
10 min
Sederhana
22 min
Sukar
44 min
Pakar
74 min
Soalan Lazim
Apakah German Whispers Sudoku?
German Whispers Sudoku is a variant where green lines are drawn across the grid. Any two cells adjacent along a green line must contain digits that differ by at least 5. Standard Sudoku rules apply โ every row, column, and 3ร3 box must contain 1โ9 exactly once.
Why is it called German Whispers?
The name comes from the puzzle community and refers to a variant popularised in German puzzle circles, with 'whispers' evoking the idea of information passing along a line with a significant minimum separation at each step.
What digits can sit next to each other on a whisper line?
Only pairs with a difference of 5 or more: 1&6, 1&7, 1&8, 1&9, 2&7, 2&8, 2&9, 3&8, 3&9, 4&9. This means whisper cells must alternate between the low group (1โ4) and high group (6โ9). Digit 5 cannot appear on any whisper line.
What is the best first move in German Whispers Sudoku?
Identify the longest whisper lines and mark each cell as low (1โ4) or high (6โ9) based on alternation. Any whisper cell in a row, column, or box where the low or high group is almost fully placed gives you a direct elimination or placement.
Is German Whispers Sudoku hard to learn?
The constraint is simple to understand but its consequences take practice to apply automatically. The forced high-low alternation is the key insight โ once you internalise it, you can immediately split each line cell into one of two groups and halve your candidate list from the start.
How long does German Whispers Sudoku take to solve?
Easy puzzles take 8โ18 minutes. Medium puzzles run 18โ35 minutes. Hard and expert puzzles can take 45 minutes to well over an hour. Longer whisper lines spanning the full grid are the most time-consuming because they interact with almost every row, column, and box simultaneously.