Logic Masters Deutschland e.V.

Normal Sudoku rules apply. Place the digits 1-9 in each row, column and box without repetition.

German Whispers: Adjacent digits on a green line must have a difference of at least 5.

Region Sum Line: Box borders split blue lines into sections, and the digits on those sections must sum to the same value. Different lines may have different values.

Kropki: Digits separated by a black dot must be in a 2:1 ratio. Digits separated by a white dot must be consecutive. All BLACK dots are given.

Solve CTC