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 'Toroidal Sudoku'
Place numbers in the grid such that each row, column and thick-outlined region contain the numbers 1 to 9. Some of the outlined regions will wrap between the top and bottom edges, and/or the left and right edges of the grid.
This is an extended version of the Irregular Sudoku.
ReplyDeleteIts quite a crazy sudoku variation due to the difficulty of some of the grids, and also due to the confusion of the regions.
The 8x8 grids are very popular.