Brandenburger tor (Gate)
- Killer cages
- Kropki dots
- Whisper lines
The brief
Normal Sudoku rules apply. DUTCH WHISPERS- Numbers on red lines are at least 4 apart from their neighbors on the line. Numbers may repeat on red lines, if other rules allow. KILLER CAGES- Numbers in cages sum to the number in the top left corner of the cage. KROPKI PAIRS- Numbers with a white dot between them are consecutive. Not all possible dots are shown.