Doc's EXTREME Daily Sudoku
20 March 2023     
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Unique side Two String Kite
Empty rectangle (hinge) Empty rectangle (hinge)
Finned X wing Finned X wing
WXYZ Wing WXYZ Wing
Discontinuous Nice Loop Grouped discontinuous nice loop
Discontinuous Nice Loop Discontinuous Nice Loop
Discontinuous Nice Loop Discontinuous Nice Loop
W wing XY Wing
Discontinuous Nice Loop Discontinuous Nice Loop
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