Doc's EXTREME Daily Sudoku
19 December 2023     
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Empty rectangle (hinge) Empty rectangle (hinge)
Empty rectangle (hinge) Empty rectangle (hinge)
Empty rectangle (hinge) Empty rectangle (hinge)
Two String Kite Two String Kite
Finned Swordfish Finned Swordfish
A.I.C A.I.C
A.I.C Discontinuous Nice Loop
Group AIC A.I.C
Discontinuous Nice Loop Nice Loop
Grouped discontinuous nice loop Grouped discontinuous nice loop
Grouped discontinuous nice loop Nice Loop
Grouped discontinuous nice loop Discontinuous Nice Loop
Nice Loop Grouped discontinuous nice loop
XY Wing Empty rectangle (hinge)
Empty rectangle (hinge) Empty rectangle (hinge)
Turbot fish Two String Kite
XYZ Wing Swordfish
Swordfish A.I.C
Hidden rectangle Discontinuous Nice Loop
Group AIC Nice Loop
Discontinuous Nice Loop Empty rectangle (hinge)
Empty rectangle (hinge) Turbot fish
Turbot fish Two String Kite
Hidden rectangle Colors
Discontinuous Nice Loop
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