"The only person you are destined to become is the person you decide to be." — Ralph Waldo Emerson
"The only person you are destined to become is the person you decide to be." — Ralph Waldo Emerson
A valid Sudoku puzzle has exactly one solution. If it has two or more, it's considered broken.
A valid Sudoku puzzle has exactly one solution. If it has two or more, it's considered broken.