Doc's EXTREME Daily Sudoku
22 January 2023
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Hidden rectangle
Empty rectangle (hinge)
Turbot fish
Finned X wing
Finned X wing
Finned Swordfish
Finned X wing
Finned Swordfish
Brute Force
Grouped discontinuous nice loop
Discontinuous Nice Loop
X wing
Swordfish
Discontinuous Nice Loop
Brute Force
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