Ahli Sandwich Sudoku
Petunjuk di luar kotak memberikan jumlah digit yang diapit di antara angka 1 dan 9 di setiap baris dan kolom.
Ahli Sandwich Sudoku. Teka-teki tersulit di situs ini — persimpangan rentang jumlah dan penalaran paritas di seluruh baris dan kolom. Tidak boleh menebak.
27
2
17
12
0
0
3
10
9
27
15
9
24
32
2
0
4
5
3
4
6
9
5
8
3
9
2
2
5
5
8
1
7
2
4
3
1
9
4
1
7
2
7
Apa itu Sandwich Sudoku?
Kesulitan
★★★★☆
4/5
Jenis Kendala
Petunjuk Luar
Petunjuk Khas
4–10 clue values
Rata-rata Pemecahan (Ahli)
85 mnt
Teknik Pemecahan untuk Tingkat Ahli
| Teknik | Deskripsi | Level |
|---|---|---|
| Clue 0 Means Adjacent 1 and 9 | A sandwich clue of 0 means 1 and 9 are side-by-side with nothing between them. Place this pair immediately. | Pemula |
| Clue 35 Means 1 and 9 at Ends | A clue of 35 = 2+3+4+5+6+7+8. All middle digits are sandwiched, placing 1 and 9 at the two ends of the row/column. | Pemula |
| Position Enumeration | For each clue, enumerate all valid positions of 1 and 9 such that the enclosed digits sum to the clue. Cross-reference with column clues. | Menengah |
| Sandwich Intersection | Row and column clues intersect at one cell. Combining row positions of 1 and 9 with column positions pinpoints key placements. | Lanjutan |
| Digit Forcing from Both Sides | Use clues from both the row and column sides to triangulate the positions of 1 and 9 simultaneously. | Menengah |
Teknik untuk Dikuasai di Ahli
- Teknik X-Wing — Expert sandwich grids leave several crust positions ambiguous deep into the solve — X-Wings on 1 and 9 are how those ambiguities are finally cut.
- Swordfish technique — When three rows each hold two possible 9 positions in the same three columns, the Swordfish settles all three sandwiches simultaneously — the classic expert sandwich finish.
Waktu Pemecahan Rata-rata berdasarkan Kesulitan
Mudah
12 mnt
Sedang
26 mnt
Sulit
52 mnt
Ahli
85 mnt
Ingin panduan lengkap tentang aturan, strategi, dan langkah pemecahan?
Cara Bermain Sandwich Sudoku →
Varian Terkait
Killer Sudoku
Both are sum-deduction puzzles at heart — killer's 45 rule and sandwich's crust sums exercise the same arithmetic.
Skyscraper Sudoku
Outside clues again, but read as building visibility instead of sums — the same edge-of-grid deduction style.
Outside Sudoku
The gentlest outside-clue cousin: border digits simply belong in the nearest three cells, no arithmetic required.
Pertanyaan yang Sering Diajukan — Ahli Sandwich Sudoku
Ada pertanyaan lain? Lihat selengkapnya Panduan Sandwich Sudoku.