Ekspert Irregular Sudoku
Jigsaw-formede regioner erstatter 3×3-boksene. Rader, kolonner og uregelmessige regioner må hver inneholde 1–9. Ingen nedlasting, ingen pålogging.
Ekspert Irregular Sudoku. De vanskeligste Jigsaw-puslespillene på siden — hver plassering krever flerkonstraint-resonnement på tvers av regioner, rader og kolonner. Ingen gjetting.
6
7
8
3
1
2
5
8
1
1
8
6
9
4
5
7
7
5
8
6
4
9
6
2
7
5
Hva er Jigsaw Sudoku?
Vanskelighetsgrad
★★★☆☆
3/5
Begrensningstype
Uregelmessige regioner
Typiske gitte tall
24–30
Gj.sn. Løsning (Ekspert)
60 min
Løsningsteknikker for Ekspert-nivå
| Teknikk | Beskrivelse | Nivå |
|---|---|---|
| Region Identification First | Identify all 9 irregular regions by their colour coding before solving. Region membership determines the third constraint unit for each cell. | Nybegynner |
| Region Counting | Each region must contain 1–9. Counting completed rows and columns reveals how many of each digit can still fit in each region. | Middels |
| Region–Row/Column Intersection | If a digit within a region is confined to one row or column, eliminate it from the rest of that row or column. | Middels |
| Irregular Naked Subsets | Apply naked pairs and triples within each irregular region exactly as you would within standard 3×3 boxes. | Avansert |
Teknikker å mestre på Ekspert
- X-Wing-teknikk — Expert jigsaw grids exploit the law-of-leftovers along region borders; once line logic stalls, fall back to X-Wings on rows and columns, which ignore region shapes entirely.
- Swordfish technique — Because regions can't be trusted to behave like boxes, expert jigsaw endgames lean on pure line-based fish — a Swordfish here needs no region reasoning at all.
Gjennomsnittlig løsningstid etter vanskelighetsgrad
Enkel
7 min
Middels
16 min
Vanskelig
32 min
Ekspert
60 min
Vil du ha en full gjennomgang av regler, strategier og løsningstrinn?
Hvordan spille Jigsaw Sudoku →
Relaterte varianter
Irregular Diagonal Sudoku
Your jigsaw region-reading skills plus two diagonal houses — the natural step up in constraint density.
Chaos Construction
Jigsaw solving where the regions themselves are hidden — you deduce the borders while you place the digits.
Samurai Sudoku
Scales the geometry challenge a different way: five overlapping grids whose shared boxes pass information between them.
Ofte stilte spørsmål — Ekspert Irregular Sudoku
Flere spørsmål? Se hele Irregular Sudoku-guide.