Doc's EXTREME Daily Sudoku
24 December 2021     
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X wing X wing
Unique side Two String Kite
Two String Kite Two String Kite
Empty rectangle (hinge) Empty rectangle (hinge)
Empty rectangle (hinge) Empty rectangle (hinge)
Empty rectangle (hinge) Empty rectangle (hinge)
Empty rectangle (hinge) Turbot fish
Turbot fish Finned X wing
Unique side Empty rectangle (hinge)
Finned X wing W wing
XYZ Wing XYZ Wing
Grouped discontinuous nice loop
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