Binairo # 1
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Soon I intend to introduce you to some new puzzles. These will include a new form of Sudoku and a few more variations on Hidoku. Today, I'd like to introduce you to Binairo, which is gaining more and more fans. There are three rules to follow.
1- You must complete a grid with the numbers 0 and 1 so that each column and row has the same number of 0s and 1s.
2- There cannot be three consecutive identical numbers either vertically or horizontally.
3- Each row must be different from each other, and the same applies to the columns.
Soon, I will write an article with tips to help you solve them.
Here are two puzzles.
1)

Puzzle :bina_10x10_002640.pdf
Solution :bina_10x10_002640_sol.pdf
2)

Puzzle :bina_10x10_015037.pdf
Solution :bina_10x10_015037_sol.pdf
Have fun !
No commentsSuper Spark Suduku # 12
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It's been five years since I last presented any Super Spark Sudokus puzzles, so to make up for it, here are two. Spark Sudoku is a Sudoku puzzle with a star-shaped grid. In this case, there are two seven-pointed star grids (a heptagram). It is “super” in that it differs from simple Spark Sudoku in that it has longer columns where you have to enter the numbers 1 to 12. A row or column starts at one of the points and ends at the next point. So here are two games for your enjoyment.
1)

Puzzle :spark_6_7_00050.pdf
Solution :spark_6_7_00050_sol.pdf
2)

Puzzle :spark_6_7_01030.pdf
Solution :spark_6_7_01030_sol.pdf
You could find these delicious puzzles in the following books available on Amazon.
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Spark Sudoku Challenge 1
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Super Spark Sudoku Challenge 1
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The Ultimate 3D Sudoku book
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* |
Have fun!.
Sudoku # 5 Diagonal
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Here are some X sudokus, also known as diagonal sudokus. Just like as a classic sudoku, you must fill each column, row, and region with the numbers 1 to 9, but in addition, the two diagonals, the ones with gray squares, must also contain the numbers 1 to 9. This additional constraint can both help or complicate things a little. Here are three waiting for you.
1)

Puzzle :sudo_X_06451.pdf
Solution :sudo_X_06451_sol.pdf
2)

Puzzle :sudo_X_06452.pdf
Solution :sudo_X_06452_sol.pdf
3)

Puzzle :sudo_X_06453.pdf
Solution :sudo_X_06453_sol.pd
Enjoy!
Hanidoku #13
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First and foremost, I would like to wish you a happy new year in 2026! May it be filled with health, love, joy, and a few puzzles to entertain you. To get 2026 off to a good start, I suggest you try hanidokus. I don't usually publish these puzzles because I have several in my bag, so it's a bit neglected (as I plan to publish new puzzles this year, this phenomenon is likely to increase). It's a shame, though, because this puzzles is just as captivating as the others.
You have to enter a series of consecutive numbers (between 1 and 9) in each row and diagonal, depending on the length of the row or one of the diagonals. Thus, the center row containing 9 hexagons will have the numbers 1 to 9. For a row consisting of six hexagons, the possible combinations would be 1,2,3,4,5,6, 2,3,4,5,6,7, up to 4,5,6,7,8,9. This rule also applies to diagonals, so a hexagon that is at the intersection of a row and two diagonals must respect the shortest length.
Rules : Rules of Haniddoku
1)

Puzzle :hanidoku_14_00172.pdf
Solution :hanidoku_sol_14_00172.pdf
2)

Puzzle :hanidoku_14_00173.pdf
Solution :hanidoku_sol_14_00173.pdf
3)

Puzzle :hanidoku_13_00501.pdf
Solution :hanidoku_sol_13_00501.pdf
Happy new year!
Hidoku # 20
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I would like to wish you all happy holidays. To end the year on a high note, here are two types of hidoku with similarities. Both consist of two more or less circular shapes that are paired together. The first is a grid composed of two octagons side by side, while the second looks more like two geometric donuts side by side. Both puzzles have squares, rectangles, or diamonds cells. In the second puzzle, there are lines in the center that allow you to connect the two cells.
Finally, you have to connect all the cells by making a path that runs through the entire grid. The two gray squares indicate the start and end of the path.
Okay, enough talk, have fun!
Rules : Hidoku's Rules
1)

Puzzle :1-_hipen_6_66.pdf
Solution :1-_hipen_6_66_sol.pdf
2)

Puzzle :hirum_2_15_27_04349.pdf
Solution :hirum_15_27_04349_sol.pdf
You could find Hidoku puzzles in my two books: Hidoku Galore and Offbeat Hidoku.
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Hidoku Galore |
Offbeat Hidoku |
Have fun!
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