Sulit Sandwich Sudoku
Petunjuk di luar kotak memberikan jumlah digit yang diapit di antara angka 1 dan 9 di setiap baris dan kolom.
Sulit Sandwich Sudoku. Lebih sedikit petunjuk jumlah ekstrem — referensi silang kendala sandwich baris dan kolom untuk menemukan 1 dan 9 sangat penting.
32
6
4
8
21
3
15
22
23
32
28
0
26
13
7
25
0
27
6
1
4
8
5
9
7
7
8
8
2
4
1
9
6
5
4
2
9
8
3
1
4
2
4
3
8
Apa itu Sandwich Sudoku?
Kesulitan
★★★★☆
4/5
Jenis Kendala
Petunjuk Luar
Petunjuk Khas
4–10 clue values
Rata-rata Pemecahan (Sulit)
52 mnt
Teknik Pemecahan untuk Tingkat Sulit
| 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 |
Siap untuk ujian pamungkas? Coba Ahli Sandwich Sudoku — teka-teki tersulit di Ayo Main Sudoku.
Teknik untuk Dikuasai di Sulit
- Hidden Pairs technique — With almost no givens, candidates stay wide except where sum arithmetic bites — recount cells adjacent to resolved crusts, where hard sandwich grids hide their pairs.
- Teknik X-Wing — The whole variant revolves around locating 1 and 9, so fish on exactly those digits: an X-Wing on 9 collapses crust possibilities in two rows and two columns at once.
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 — Sulit Sandwich Sudoku
Ada pertanyaan lain? Lihat selengkapnya Panduan Sandwich Sudoku.