Puzzle Blog Posts With Keyword Programming
Creating Irregular Sudoku PuzzlesHave you ever wondered how irregular sudoku puzzles are created? Also known as jigsaw sudoku, these are a reasonably common variant of sudoku that replace the neat 3 x 3 boxes with regions of all sorts of different shapes (but all containing nine...
Added: 03 Dec 2010
How to Fill a Sudoku Grid
How do you actually go about filling a sudoku puzzle grid? This is a question we get asked from time to time, either by budding puzzle writers, those wanting to create a one-off puzzle, or, no doubt in some cases, those who have been tasked with creating...
Added: 30 May 2020