Circular Logic or Ipso Facto?
- Killer cages
- Kropki dots
- XV and number dots
- Arrows
- Whisper lines
The brief
Normal Sudoku rules apply.
GERMAN WHISPERS- Numbers on green lines are at least 5 apart from their neighbors on the line.
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.
KROPKI PAIRS- Numbers with a white dot between them are consecutive. Numbers with a black dot between them are in a ratio of 2:1.
ARROWS- Numbers on arrows sum to the number in the arrow's circle.
KILLER CAGES- Numbers in cages sum to the number in the top left corner of the cage.
XV PAIRS- Numbers with an X between them sum to 10.