Expert Konsekutiv Sudoku
Markerade cellpar måste innehålla på varandra följande siffror. Omarkerade par får inte. Varje prick eller streck bär strategisk vikt.
Expert Consecutive Sudoku. De svåraste pusslen på sidan — stapelparitetsanalys och flerstegs kedjeduktioner krävs. Ingen gissning.
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Vad är Consecutive Sudoku?
Svårighetsgrad
★★★☆☆
3/5
Begränsningstyp
Cellrelationer
Typiska givna
18–24
Genomsnittlig lösning (Expert)
58 min
Lösningstekniker för Expert nivå
| Teknik | Beskrivning | Nivå |
|---|---|---|
| Negative Constraint Power | Where no bar appears, the two cells are guaranteed non-consecutive. Every unmarked adjacent edge tells you something — treat absent bars as constraints. | Nybörjare |
| Bar Pair Enumeration | A bar means the digits differ by exactly 1. List all valid pairs: (1,2), (2,3), …, (8,9). Use row/column context to narrow which pair fits. | Nybörjare |
| Consecutive Chain | Three cells connected by two bars form a run of three consecutive digits (in some order). Enumerate the 7 possible runs: {1,2,3}, {2,3,4}, …, {7,8,9}. | Medel |
| Isolated Digit Detection | A digit surrounded on all four sides by non-bar edges has no consecutive neighbour — highly constrained within a local area. | Avancerad |
Tekniker att bemästra vid Expert
- X-Wing-teknik — Expert consecutive endgames alternate bar-chain enumeration with fish — when a chain forces a digit out of three cells of a row, check whether an X-Wing just formed.
- Swordfish technique — Long bar chains synchronise digit placement across parallel rows; a Swordfish on a chain-locked middle digit typically delivers the final breakthrough at expert level.
Genomsnittlig lösningstid efter svårighetsgrad
Lätt
7 min
Medel
16 min
Svår
32 min
Expert
58 min
Vill du ha en fullständig genomgång av regler, strategier och lösningssteg?
Hur man spelar Consecutive Sudoku →
Relaterade varianter
Icke-konsekutivt Sudoku
The exact inverse rule — adjacent cells must never differ by 1 — so your bar logic flips into a global elimination engine.
Kropki Sudoku
Adds a second marker type (the doubling black dot) to the consecutive logic you already read fluently.
Anti-Consecutive Sudoku
Takes the no-bar half of this puzzle and applies it everywhere: no neighbouring cells may be consecutive, no markers given.
Vanliga frågor – Expert Consecutive Sudoku
Fler frågor? Se hela Consecutive Sudoku-guide.