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Sudoku Examples from Xsudo

 

Here is a summary of details seen in images

 

Examples

Xsudo files

Singles

singles.sud

Locked Candidates

 

Almost Locked Candidates

 

Naked Pairs

 

Hidden Pairs

 

Naked/Hidden Pairs, and X-Wings

 

Naked Triples

 

Hidden Triples

 

Naked Quads

 

Hidden Quads

 

Naked/Hidden Conjugates

 

Empty Rectangles

 

Multiple Empty Rectangles

 

Locked Pairs

 

Locked Triples

 

Turbot Fish

 

Two String Kites

 

Skyscrapers

 

X- Cycles (Fishy Cycles)

 

 

 

Examples

Xsudo files

Basic Fish  (example patterns)

 

X-Wings

 

Swordfish

 

Jellyfish

 

Greatfish  (Sqirmbags)

 

Fraken Fish

 

Mutant Fish

 

Finned Fish

 

Sashimi Fish

 

Finned Sashimi Fish

 

Kraken Fish

 

More Kraken Logic

 

X-Chains

 

XY-Chains

 

Remote Pairs

 

Continuous Loops (Nice)

 

Discontinuous Loops (Nice)

 

Oriented Chains

 

General Chains

 

 

 

XY-Wings

 

XYZ-Wings

 

WXYZ-Wings

 

W-Wings

 

ALS-XZ Rule

 

ALS-XY Wing

 

ALS-XZ Chain

 

Death Blossoms

 

AHS Chains

 

ALS/AHS Chains

 

ALS-XZ Rule - doubly linked

 

Sue de Coq

 

General Rank 0 ALS Logic

 

General Rank 1 ALS Logic

 

Multi-Loops

 

Branching Logic

 

Deadly Patterns

 

Uniqueness

 

 

 

Some Interesting Studies

 

Basic Rank 0 Double Loop

 

Mixed Rank Double Loop

 

Double Loops with Triplets

 

Siamese Loops, hit from 2 sides

 

A Strong Finned Fish?

 

A Very Long Neck Kraken Fish

 

 

 

 

 

 

 

Great Monster Loops 

 

Steve Kurzhal's Loop, Easter Monster 

 

A Logical Solution to Easter Monster

 

A Logical Solution to Golden Nugget

 

 

 

Continuous Loops with ALS