Sudoku Limit # 14
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One of the most surprising forms of Sudoku is the ‘Sudoku limit’. You must fill in each region column with the numbers 1 to 9. However, there are no regions and no cells contain any numbers. All we have to go on are the ‘limit’ (the cells with four numbers inside an ‘x’). These numbers indicate that the number is present in the cells opposite, up to the next boundary or the edge of the grid, if there is one. I came across this puzzle a very long time ago; it was a 5×5 grid with instructions written in Japanese (at the time, there was no Japanese translation software available online), so I worked out the rules of the game by looking at the solution and created grids of different sizes, such as these, which are 9×9. I have never known the real name of this puzzle or that of its inventor. If any of you know the answer, I’d be delighted to hear it. So I have called it Sudoku Limit. Here are two 9×9 grids.
Rules : Rules of Sudoku Limits
1)
Puzzle :cadre_12_000012.pdf
Solution :cadre_12_000012_sol.pdf
2)
Puzzle :cadre_12_000013.pdf
Solution :cadre_12_000013_sol.pdf
3)
Puzzle :cadre_12_000014.pdf
Solution :cadre_12_000014_sol.pdf
Au revoir.
No commentsSparkube #3.
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Last week I presented you Spark Sudoku; now I would like to present you a closely related puzzle: the Sparkube. Just like Spark Sudoku, the grid can take the form of a star with 5, 6, 7 or even 8 points. The difference is that the rows, columns and regions consist of 9 squares, so, as with conventional Sudoku, you must use the numbers 1 to 9. What’s more, at each point of the star there’s an empty region (all white) that falls within either a row or a column. So, you need to ignore these regions when working through a column and skip to the next filled region. I’ve got three types of puzzles for you: 5-, 6- and 7-pointed stars. Go on, you’ll see stars!
1)
Puzzle :sparkube_5_07275.pdf
Solution :sparkube_5_07275_sol.pdf
2)
Puzzle :sparkube_6_00040.pdf
Solution :sparkube_6_00040_sol.pdf
3)
Puzzle :sparkube_7_00981.pdf
Solution :sparkube_7_00981_sol.pdf
My book The Ultimate 3D Sudoku Book sparkubes from 5 to 8 arms, plus other variations of 3D sudoku such as Hyper sudoku 3D, Sudoku cubes etc... If you like to be baffled.
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The Ultimate 3D Sudoku book |
Spark Sudoku # 8
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Recently I noticed with stupefaction that the last time I published Spark Sudoku was in 2020. This is the problem we face when we have a lot different puzzles. Some puzzles are less frequent than others. In order to amend, I offer you two Spark Sudoku this week. The peculiarity of this puzzle is that the grid could take the shape of a star with 5,6,7 or even 8 points. At first, this sudoku looks strange but it has columns, row s and regions. You need to use the numbers 1 to 8. You will quickly fall in love with this kind of Sudoku.
The two puzzles are hexagram (six-pointed star).
1)
Puzzle :spark_4_6_00060.pdf
Solution :spark_4_6_00060_sol.pdf
2)
Puzzle :spark_4_6_02433.pdf
Solution :spark_4_6_02433_sol.pdf
I have two books containing these puzzles, the first one has Spak Sudoku having rows, columns and regions with 8 cells (like the ones in this arcticle) and the last the Super Spark Sudoku Challenge use Spark with rows, columns and region with size 12. In any case you will like these books.
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Spark Sudoku Challenge 1
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Super Spark Sudoku Challenge 1
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Have Fun !
Train Track # 12
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During this time of year, many people go on holiday. Quite a few decide to get away from it all and explore new places. The train is a brilliant way to see the country. To keep with the theme, here are two multi-train puzzles, which are actually four 8x8 grids linked together. You need to start from the arrow to recreate the railway route. The clues around the grid indicate how many squares there are in the column or row through which the railway runs. Even if it’s not the holidays, this game will help you get away from it all.
Rules : Train Tracks' rules
1)
Puzzle :mtrain_8X8_00059.pdf
Solution :mtrain_8X8_00059_sol.pdf
2)
Puzzle :mtrain_8X8_00060.pdf
Solution :mtrain_8X8_00060_sol.pdf
You can get hold of these two excellent books, which contain grids of all sizes and difficulty levels. A must-have!
Règles : Règles du Chemin de Fer
Rules : Train Tracks' rules
1)
Puzzle :mtrain_8X8_00059.pdf
Solution :mtrain_8X8_00059_sol.pdf
2)
Puzzle :mtrain_8X8_00060.pdf
Solution :mtrain_8X8_00060_sol.pdf
Have fun!
Suguru : Pocket Suguru The Duel
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I want to inform all suguru fans of the publication of my latest book: Pocket Suguru The Duel.
The collection Pocket Suguru is very convenient to appease your crave of suguru wherever you are (maybe not everywhere). These books with theses size are easily carried and they are ready to enjoy you in any situation (maybe not in any situation). This book has 160 puzzles with different sizes in order to adapt the challenge to the circumstances.
They are two 7x14 grids.
Rules : Rules of Suguru
1)
Puzzle :suguru_7X14_00048.pdf
Solution :suguru_7X14_00048_sol.pdf
2)
Puzzle :suguru_7X14_00049.pdf
Solution :suguru_7X14_00049_sol.pdf
Do not hesitate to buy this book, perfect for summer.
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Pocket Suguru The Duel
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Have fun !.
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