- Normal sudoku rules apply.
- Cells separated by a white dot contain consecutive digits. Not all such white dots are necessarily given.
- Cells separated by a black dot contain digits with a ratio of 1:2. Not all such black dots are necessarily given.
- Digits on arrows sum to the digit in the connected bulb. Multiple arrows connected to the same bulb each sum to the arrow total.
The puzzle is also available on Penpa and Sudokupad. Have fun solving!
Solution code: 5th row and 5th column