Doc's EXTREME Daily Sudoku
1 December 2021     
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XYZ Wing Group AIC
Group AIC XYZ Wing
Grouped discontinuous nice loop Group AIC
Grouped discontinuous nice loop Group AIC
Group AIC Group AIC
Group AIC Grouped discontinuous nice loop
Group AIC A.I.C
Empty rectangle (hinge) Turbot fish
Colors XY Wing
XY Wing
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