![]() ![]() It is called thermometer Sudoku because the grid has a number of thermometers among the unallocated squares. See Also: Greater-Than Sudoku ➚ Thermo SudokuĪ site visitor kindly drew our attention to a variant of ‘neighbor order’ which is somewhat more appealing. To a purist it is not quite the same thing. A puzzle number ordering added is not strictly ‘Sudoku’ any more, as a picture or color Sudoku puzzle doesn't have a concept of order of neighbors. Often the initial grid is empty except for the neighbor ordering. To make solution a little harder only some of the neighbor borders may show the order. In this case the square Bb can be immediately solved as it has neighbors 6 > x > 4 and so x must be 5. ![]() Here is an example puzzle with all the orderings shown in each square's border. If you a square has a 2 and its neighbor is smaller value then it must be a 1, similarly an 8 with a higher square neighbor must be a 9. This extra information gives a new solution technique. For example a row containingf 9 8 7 2 4 1 6 5 3 has the ordering 9 > 8 > 7 > 2 1 5 > 3. It is also known as ‘Greater than Sudoku’. It has a pointer towards the smaller of the two numbers. The border between two squares is used to give a hint as to which neighbor is larger than the other. Sudoku Dragon fully supports Jigsaw Sudoku for grid sizes up to 10x10.ĭisplaying the numeric order of neighboring squares is a neat idea of adding extra information to help solve the puzzle. To download this puzzle and see it in Sudoku Dragon click here. In this second Wordoku puzzle generated by Sudoku Dragon the hidden word is in the second row. Here's an example of a puzzle with its solution alongside, the hidden word POWDERING is in the center row. If letters are used in place of numbers then words can appear in the grid, often this is a hidden nine letter word in a row or column. If it uses picture fragments then one of regions (usually the central one) will show the completed picture, but you really need a program to help you play these picture Sudoku puzzles as you can't easily pencil in sketches of possibilities for the missing squares! Sudoku Dragon supports a version using Chinese characters in place of numbers. A puzzle just needs a set of nine different things of any type: colors letters or picture fragments. The familiar numbers 1 to 9 can be replaced with anything at all, as long as each 'square value' is different from the other. Colors, Words, Pictures and SymbolsĪlthough Sudoku places numbers in the correct squares it has nothing to do with arithmetic. Sudoku Dragon can generate and solve all these sizes of puzzle along with a great many more. Puzzle size grid 20x20 made up of 4 by 5 blocks ![]()
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