Experto Sudoku Exterior
Las pistas fuera de la cuadrícula dan los primeros tres dígitos encontrados en esa fila o columna — pero no su orden.
Experto Sudoku Exterior. Los rompecabezas más difíciles del sitio — cada colocación se sigue de un razonamiento lógico preciso a través de restricciones de borde y caja. Sin suposiciones.
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Errores
0/3
Puntuación
-
Tiempo
00:00
Progreso0%
Experto · Sudoku Exterior
Cómo jugar a Outside Sudoku →
Qué es Sudoku Exterior?
Dificultad
★★★☆☆
3/5
Tipo de restricción
Pistas exteriores
Valores dados típicos
28–36 given + 4×9 outside clues
Prom. Resolución (Experto)
65 min
Técnicas de resolución para nivel Experto
| Técnica | Descripción | Nivel |
|---|---|---|
| Clue-Zone Mapping | Each outside digit must appear in the nearest 3 cells of its row or column. Map all outside clues to their zones immediately. | Principiante |
| Cross-Side Reasoning | If left clue digit X must be in cols 1–3, and right clue digit X is in the same row, that row already places X — the other side confirms its column. | Intermedio |
| Box-Side Interaction | An outside clue for a row interacts with the box containing cols 1–3. If the row's box is heavily constrained, the outside digit's position may be forced. | Intermedio |
| Digit Elimination from Clues | When a clue digit is placed in the zone, eliminate it from the rest of the zone row/col using standard Sudoku logic. | Intermedio |
| Dual-Side Chains | Combine left and right clues for the same row: both digits restrict the same three columns from opposite ends, leaving the middle box fully determined. | Avanzado |
Técnicas para dominar en Experto
- Técnica X-Wing — Expert outside grids under-clue the borders, so window logic alone stalls — fish on digits that appear in many clues, since their global positions are the most constrained.
- Swordfish technique — Three rows whose windows trap the same digit in matching columns set up a Swordfish — the standard escape from an expert outside-clue deadlock.
Tiempo de Resolución Promedio por Dificultad
Fácil
8 minutos
Medio
18 minutos
Difícil
36 minutos
Experto
65 minutos
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Cómo jugar a Sudoku Exterior →
Variantes relacionadas
Skyscraper Sudoku
The next step in border-clue logic — outside numbers become visibility counts that constrain entire row orderings.
Sandwich Sudoku
Border clues with arithmetic teeth: each one is the sum of the digits trapped between 1 and 9.
Sudoku Killer
Moves the clue layer inside the grid as summed cages — a natural graduation from window placement to sum deduction.
Preguntas frecuentes — Experto Outside Sudoku
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