Doc's EXTREME Daily Sudoku
29 November 2023
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Skyscraper
Empty rectangle (hinge)
Empty rectangle (hinge)
Turbot fish
Swordfish
Swordfish
Finned X wing
Discontinuous Nice Loop
Discontinuous Nice Loop
Hidden rectangle
XYZ Wing
Discontinuous Nice Loop
W wing
Skyscraper
XY Wing
Group AIC
XY Wing
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