## Windmill Windoku X with guessing

For fans of Killer Sudoku, Samurai Sudoku and other variants

### Windmill Windoku X with guessing

I prefer no guessing Sudoku puzzles but these puzzles are of the very tough brain cramp type. Have fun!

Windmill_Windoku_X_Very_Hard_01

Techniques used to solve: Naked Pair, Hidden Pair, LoL Synchronization, Twin Nonets, Intersection, Hidden Triplet, Mandatory Inclusion, Pointing Pair, Pointing Triplet, Skyscraper, Two String Kite, Finned X-Wing, Generalized X-Wing, Turbot Fish, Empty Rectangle, XY-Wing, XYZ-Wing, Grouped X-Wing, Grouped Turbot Fish

Windmill_Windoku_X_Extremely_Hard_01

Techniques used to solve: Naked Pair, Hidden Pair, LoL Synchronization, Twin Nonets, Intersection, Pointing Pair, Pointing Triplet, Generalized Naked Subset, Skyscraper, Two String Kite, Finned X-Wing, Generalized X-Wing, Turbot Fish, Empty Rectangle, Grouped X-Wing, Grouped Turbot Fish, Grouped Turbot Chain with 5 links, XY-X-Chain up to 3 links, ALS-XZ up to 5 cells
Attachments
Windmill_Windoku_X_Very_Hard_01.png (28.21 KiB) Viewed 1279 times
Windmill_Windoku_X_Extremely_Hard_01.png (26.46 KiB) Viewed 1279 times

novi
2011 Supporter

Posts: 11
Joined: 28 April 2011

### Very Hard 01 Sol

.
again phew!!!

these things can take some time...

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BryanL

Posts: 247
Joined: 28 September 2010