This blog deals with grid-based puzzles and the various types of logic and ideas used to solve them. It also contains notices, information and results about various puzzle and sudoku championships across the globe.
Rules of 'Odd Sudoku'
Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. The shaded cells can only contain odd numbers.
Its just the inverse of Even Sudoku.
ReplyDeleteBut, this one becomes more interesting as there are 5 odd numbers compared to 4 even numbers.