Logic Masters Deutschland e.V.

• Irregular sudoku rules apply. Place the digits 1 to 9 once each in every column, row and region.
• Digits joined by a black dot are in a 1:2 ratio.
• Digits joined by a red dot are in a 1:3 ratio.
• Digits joined by a blue dot are in a 1:4 ratio.
• Digits joined by a grey dot are in a 1:5 ratio.
• Digits joined by a white dot are consecutive.
• Not all possible dots are given.

Online in Sudokupad

See also:

• ancient tomb
• desert ruins
• island cave