Doc's EXTREME Daily Sudoku
13 June 2022     
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X wing Empty rectangle (hinge)
Turbot fish Swordfish
Swordfish Swordfish
WXYZ Wing WXYZ Wing
Grouped discontinuous nice loop Grouped discontinuous nice loop
Grouped discontinuous nice loop Grouped discontinuous nice loop
Discontinuous Nice Loop Grouped discontinuous nice loop
Group AIC Group AIC
Brute Force
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