Normal Sudoku rules apply.
- Diagonals (Sudoku X): Each main diagonal contains the digits 1–9 exactly once.
- Arrows: Digits along an arrow sum to the digit in its attached circle.
- Black dots: Two digits sperated by a black dot are in a 1:2 ratio. Not all possible dots are given.
- White dots: Two digits sperated by a white dot are consecutive. Not all possible dots are given.
- Squares: Shaded squares contain even digits.
Solution code: Enter the digits in the first row, without spaces
yesterday, 17:20 by rameshsrivats
Beautiful puzzle. But I think the wonderful break-in makes it 4*. After that it's silky smooth all the way.
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