Doc's EXTREME Daily Sudoku
17 November 2022
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Hidden rectangle
XYZ Wing
Empty rectangle (hinge)
XY Wing
X wing
Empty rectangle (hinge)
Turbot fish
Swordfish
Discontinuous Nice Loop
Discontinuous Nice Loop
Grouped discontinuous nice loop
Two String Kite
Empty rectangle (hinge)
Empty rectangle (hinge)
Turbot fish
Colors
Finned Swordfish
W wing
W wing
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