Doc's EXTREME Daily Sudoku
20 May 2023     
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Unique corner X wing
Empty rectangle (hinge) Empty rectangle (hinge)
Empty rectangle (hinge) Empty rectangle (hinge)
Empty rectangle (hinge) Empty rectangle (hinge)
Two String Kite Two String Kite
Swordfish Discontinuous Nice Loop
Discontinuous Nice Loop Grouped discontinuous nice loop
Discontinuous Nice Loop A.I.C
Group AIC Discontinuous Nice Loop
Discontinuous Nice Loop Discontinuous Nice Loop
Grouped discontinuous nice loop Grouped discontinuous nice loop
Discontinuous Nice Loop
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