Doc's EXTREME Daily Sudoku
25 January 2025
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Unique side
Skyscraper
Empty rectangle (hinge)
Turbot fish
Colors
Finned X wing
Finned Swordfish
Hidden rectangle
Discontinuous Nice Loop
A.I.C
A.I.C
Discontinuous Nice Loop
Discontinuous Nice Loop
XY Wing
Hidden rectangle
Group AIC
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