SUDOKU
Degree of difficulty: 1 out of 4
Each row must contain the numbers 1 to 9; each column must contain the numbers 1 to 9; and each set of 3-by-3 boxes must contain the numbers 1 to 9. For other puzzles, go to baltimoresun. com/sudoku
Degree of difficulty: 1 out of 4
Each row must contain the numbers 1 to 9; each column must contain the numbers 1 to 9; and each set of 3-by-3 boxes must contain the numbers 1 to 9. For other puzzles, go to baltimoresun. com/sudoku