$hardest-sudoku --login
HARDEST_SUDOKUv0.1.0
A logic trainer for people who think "auto-hint" is cheating. No ads. No banners. No assist that finishes a cell for you.
↵ to authenticate · auth is the only way in
A logic trainer for people who think "auto-hint" is cheating. No ads. No banners. No assist that finishes a cell for you.
↵ to authenticate · auth is the only way in