Doc's EXTREME Daily Sudoku
23 October 2021
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Empty rectangle (hinge)
Finned X wing
Finned Swordfish
Discontinuous Nice Loop
A.I.C
Group AIC
A.I.C
Discontinuous Nice Loop
Discontinuous Nice Loop
Discontinuous Nice Loop
X wing
X wing
Swordfish
Swordfish
Colors
XY Wing
Unique side
W wing
W wing
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