Sulit XV Sudoku
X menandai sel yang berjumlah 10; V menandai sel yang berjumlah 5. Semua pasangan berdekatan yang tidak ditandai tidak boleh berjumlah 5 atau 10.
Sulit XV Sudoku. Jaringan XV padat menuntut rantai kendala pasangan positif dan negatif di seluruh papan sebelum digit individu terselesaikan.
5
8
6
2
1
7
9
2
3
5
6
5
7
2
4
6
4
9
3
1
5
6
7
9
2
6
4
Kesalahan
0/3
Skor
-
Waktu
00:00
Kemajuan0%
Sulit · XV Sudoku
Cara Bermain XV Sudoku →
Apa itu XV Sudoku?
Kesulitan
★★★☆☆
3/5
Jenis Kendala
Hubungan Sel
Petunjuk Khas
18–24
Rata-rata Pemecahan (Sulit)
35 mnt
Teknik Pemecahan untuk Tingkat Sulit
| Teknik | Deskripsi | Level |
|---|---|---|
| Negative Constraint | Where no X or V appears between adjacent cells, their sum is neither 10 nor 5. This eliminates (1,9), (2,8), (3,7), (4,6) for X and (1,4), (2,3) for V. | Pemula |
| Sum Pair Enumeration | List all digit pairs that sum to 10 (for X) or 5 (for V), then use row/column placement to identify which pair must occupy each marked pair. | Pemula |
| Marker Chain Logic | Multiple consecutive X and V markers in a row form a sum chain — enumerate valid assignments for the entire chain simultaneously. | Menengah |
| Box X-Interaction | An X pair forces both digits into specific positions within their shared box, constraining all remaining cells of that box. | Lanjutan |
Siap untuk ujian pamungkas? Coba Ahli XV Sudoku — teka-teki tersulit di Ayo Main Sudoku.
Teknik untuk Dikuasai di Sulit
- Hidden Pairs technique — Negative-constraint eliminations are easy to under-apply; when you work them fully, two digits often share only two cells of a box — hard XV pairs hide behind the absent markers.
- Teknik X-Wing — Unmarked edges thin the 1s and 9s drastically (each has only one sum partner per rule), so hard XV grids develop X-Wing geometry on the extremes early.
Waktu Pemecahan Rata-rata berdasarkan Kesulitan
Mudah
8 mnt
Sedang
18 mnt
Sulit
35 mnt
Ahli
62 mnt
Ingin panduan lengkap tentang aturan, strategi, dan langkah pemecahan?
Cara Bermain XV Sudoku →
Varian Terkait
Kropki Sudoku
Swaps sum markers for difference and ratio dots — the same marked-pair-plus-negative-constraint solving rhythm.
Sudoku Berurutan
A single-marker version of the same idea: every consecutive neighbour pair is flagged, and silence is information.
Sudoku Lebih Besar
Adjacent cells related by order instead of sums — chains of inequalities replace chains of X and V markers.
Pertanyaan yang Sering Diajukan — Sulit XV Sudoku
Ada pertanyaan lain? Lihat selengkapnya Panduan XV Sudoku.