If you can have Diagonal Sudoku or Sudoku X puzzles, why not have a TriDoku X? Although it looks more like a TriDoku *, I decided to keep the “X” in the name. Perhaps it could be called a TriDoku Star?
Whatever you call it, I think the additional rules are obvious: in addition to all the triangular nonets, outside and inner edges, hexagons etc., you now have 3 more lines of 9 cells that must follow the no-repeats rule. Those 3 lines are clearly indicated in the puzzle.
And by the way: I switched the dark gray and light gray cells. I think the puzzle looks better this way. Let me know what you think.
TriDoku X for Thursday, February 18, 2010. Difficulty: BRAIN
I’d like to hear more comments from you! I really need to know how you like these puzzles. If you hate them – tell me. Please! 🙂
Triangular Sudoku variant: TriDoku X.
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