The last time I published Sparkube (Sparkube's Rules ) was in 2020, now nearly three years later I try to I try to remedy this absence by publishing two new ones. A Sparkube is a Sudoku that has the shape of a star. Each point of the star has 3 3x3 regions filled with cell and numbers and one empty region with noting (big white square). We are able to form row or column by combining the regions of one point of the star to the regions of an adjacent point to form a serie of 3 filled regions and ignoring the empty region. Then we have a row or column of 9 cells as required to any honest Sudoku. The feature is each point of a star has two adjacent point then for each point we have two different series of column and row. This is crazy !
This puzzle can take four different star shapes: pentagram (star with 5 points), hexagram (6), heptagram(7) and octagram(8) .
I present you a pentagram and a heptagram. Try it !!!.
The printable files PDF.
Puzzle :sparkube_5_00149.pdf
Solution: sparkube_5_00149_sol.pdf
The printable files PDF.
Puzzle :sparkube_7_00149.pdf
Solution: sparkube_7_00149_sol.pdf
You could find these puzzles in my book The Ultimate 3D Sudoku Book available on Amazon US and Amazon UK and also on another Amazon website.
Have a great day !
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