I present you this week the Yakazu puzzle. This is one of the new puzzles I have added to my bow this year. It's a logic puzzle that's part Sudoku, part Kakuro and part crossword. In a grid shaped like a crossword puzzle, you have to enter numbers (instead of words). The numbers you have to enter depend on the size of the available space (the sequence of white squares I call an entry). So, for an entry of size 5, you'd have to enter numbers from 1 to 5, and for an entry of size 6, numbers from 1 to 6, etc.. The problem is that very often a cell belong to vertical entry and a horizontal entry, each of which has a different size. For this cell (the one common to both entries), the size of the minimum entry must be adopted. Ex a cell is part of an vertical entry of size 2 and a horizontal entry of size 6 then this cell could have only one or two. Finally, this rule doesn't apply to entries of one cell only, in which case we take the limit of the other entry that crosses this cell. See the rules link below, where everything is explained, with examples of how to solve it.
This game is fascinating, and when I discovered it, it reminded me of the interest I felt when I discovered Sudoku in 2005. But the best thing is to try it out.
Here are two grids, the first of which is 7x7, indicating that the entries will never be larger than 7. The second, more challenging, is 10x14, while the maximum entry size is 9 (i.e. using the numbers 1 to 9).
Rules :Rules of Yakazu
1) 7x7.
Puzzle :yaka_7x7_06760.pdf
Solution :yaka_7x7_06760_sol.pdf
2) 10x14.
Puzzle :yaka_10x14_00729.pdf
Solution :yaka_10x14_00729_sol.pdf
Have a good day.
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