Sudoku of the day for January 23
The world’s hottest brain game! Work against the clock to solve a new puzzle — every day of the year.
How to Play
Fill in each square with a number so that each row (left to right), column (top to bottom) and block (in bold lines) contains 1 to 9. Each row, column, and 3 x 3 block must contain only one instance of each number.