Logic Masters Deutschland e.V.

This is the 4th puzzle in my naughty series featuring the new 6-9 rule.

Rules:

• Normal sudoku rules apply.
• Adjacent digits along the green 6-9 lines must sum to at least 6 and at most 9.
• Digits connected by a white dot are consecutive. Digits connected by a black dot have a 1:2 ratio. Not all dots are given.

Play online on SudokuPad