The New York Times Hard level sudoku game is at this link: https://www.nytimes.com/puzzles/sudoku/hard
I used the editor on the https://sudokuexchange.com website to play this game.
The New York Times Hard level sudoku game is at this link: https://www.nytimes.com/puzzles/sudoku/hard
I used the editor on the https://sudokuexchange.com website to play this game.