Doc's EXTREME Daily Sudoku
20 August 2025
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Empty rectangle (hinge)
Finned Swordfish
A.I.C
Discontinuous Nice Loop
Empty rectangle (hinge)
Discontinuous Nice Loop
Grouped discontinuous nice loop
Discontinuous Nice Loop
Discontinuous Nice Loop
Discontinuous Nice Loop
Group AIC
Group AIC
Discontinuous Nice Loop
XY Wing
Empty rectangle (hinge)
Hidden rectangle
Finned X wing
W wing
Grouped discontinuous nice loop
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