3 January 2022

Empty rectangle (hinge)	Swordfish
Swordfish	Finned X wing
Finned Swordfish	Swordfish
Swordfish	Discontinuous Nice Loop
Discontinuous Nice Loop	Grouped discontinuous nice loop
Grouped discontinuous nice loop	Discontinuous Nice Loop
Brute Force	W wing
Grouped discontinuous nice loop	Grouped discontinuous nice loop
Discontinuous Nice Loop	Discontinuous Nice Loop
Discontinuous Nice Loop	Discontinuous Nice Loop