11 December 2021

Hidden double	Swordfish
Swordfish	Swordfish
Swordfish	Discontinuous Nice Loop
Group AIC	Discontinuous Nice Loop
Discontinuous Nice Loop	Discontinuous Nice Loop
Discontinuous Nice Loop	Brute Force
A.I.C	Grouped discontinuous nice loop
Grouped discontinuous nice loop	Brute Force
XY Wing	Skyscraper
Skyscraper	Two String Kite
Two String Kite	Empty rectangle (hinge)
Empty rectangle (hinge)	Empty rectangle (hinge)
Turbot fish	Turbot fish
Finned X wing	Finned Swordfish
Skyscraper	Skyscraper
Two String Kite	Two String Kite
Empty rectangle (hinge)	Empty rectangle (hinge)
Empty rectangle (hinge)	Turbot fish
Turbot fish	Finned X wing
Finned Swordfish	Brute Force