Place 1-9 in each row and column. Each marked region cannot contain a repeated digit. Cells joined by a black dot contain digits in a 2:1 ratio. Cells joined by a white dot contain consecutive digits.
Place 1-9 in each row and column. Each marked region cannot contain a repeated digit. Cells joined by a black dot contain digits in a 2:1 ratio. Cells joined by a white dot contain consecutive digits.