Sukar Renban Sudoku
Digit pada setiap garis ungu membentuk set digit berturutan dalam sebarang tertib. Panjang garis memberitahu anda julat.
Sukar Sudoku Renban. Garis lebih panjang, lebih banyak jujukan mungkin — jangkakan penghitungan sistematik dan penyingkiran pelbagai langkah.
3
9
2
9
4
5
5
8
1
5
6
7
1
9
3
6
4
5
2
3
9
6
4
9
6
4
8
Apakah Sudoku Renban?
Kesukaran
★★★★☆
4/5
Jenis Kekangan
Kekangan Garis
Biasa Diberi
20–28
Purata Selesaikan (Sukar)
42 min
Teknik Penyelesaian untuk Tahap Sukar
| Teknik | Penerangan | Tahap |
|---|---|---|
| Length-Based Range | A Renban line of length L must contain L consecutive integers. The starting value is between 1 and 10−L, giving 10−L possible ranges. | Pemula |
| Shared Cell Intersection | If two Renban lines share a cell, that cell's value must fit both lines' consecutive ranges. Intersect the ranges to find valid values. | Pertengahan |
| Single-Range Reduction | When a Renban line's valid range reduces to a single starting value, all cell values are fully determined (in some order). | Pertengahan |
| Renban–Box Interaction | Digits on a Renban line within one box restrict the box's remaining cells. Use box uniqueness to narrow the line's range. | Lanjutan |
Bersedia untuk ujian muktamad? Cuba Pakar Sudoku Renban — teka-teki paling sukar di Jom Main Sudoku.
Teknik untuk Dikuasai pada Sukar
- Hidden Pairs technique — Where two renban lines cross, the shared cell must fit both runs — the intersection maths strips candidates until pairs hide in the cells flanking the crossing.
- Teknik X-Wing — Runs exclude 1 and 9 from most mid-grid lines, concentrating the extremes in off-line cells — hard renban X-Wings on 1 and 9 are the standard consequence.
Purata Masa Selesaikan mengikut Kesukaran
Mudah
10 min
Sederhana
22 min
Sukar
42 min
Pakar
72 min
Nak panduan lengkap peraturan, strategi, dan langkah penyelesaian?
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Varian Berkaitan
Bisikan Jerman
The mirror image of renban logic: lines that forbid close digits instead of requiring a consecutive run.
Sudoku Palindrom
Another line whose meaning is about the set of digits on it — here the line must read the same in both directions.
Between Lines Sudoku
Swaps the consecutive-run rule for a bounded-range rule anchored by two endpoint circles — kindred range reasoning.
Soalan Lazim — Sukar Sudoku Renban
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