Doc's EXTREME Daily Sudoku
21 May 2022
Print
Export
Solution
Puzzle
Show pencil marks
Archive
Tutorial
Hint
Contact me
About this site
Help!
Two String Kite
Hidden rectangle
Hidden rectangle
Empty rectangle (hinge)
Empty rectangle (hinge)
Finned X wing
Discontinuous Nice Loop
Grouped discontinuous nice loop
Go Back
Go Forward
Today's Puzzle
Archive
Click here to play online
Go to my less extreme puzzles