Doc's EXTREME Daily Sudoku
19 January 2022     
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Hidden rectangle Empty rectangle (hinge)
Finned X wing Finned Swordfish
Empty rectangle (hinge) Finned X wing
Finned Swordfish Discontinuous Nice Loop
Grouped discontinuous nice loop Grouped discontinuous nice loop
Discontinuous Nice Loop Discontinuous Nice Loop
A.I.C Grouped discontinuous nice loop
Grouped discontinuous nice loop X wing
Two String Kite Empty rectangle (hinge)
Empty rectangle (hinge) Turbot fish
Turbot fish Swordfish
Swordfish Colors
Jellyfish Empty rectangle (hinge)
Discontinuous Nice Loop Skyscraper
Empty rectangle (hinge) Turbot fish
XYZ Wing XYZ Wing
Finned Swordfish XYZ Wing
XYZ Wing Discontinuous Nice Loop
W wing W wing
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