Four To One
- Killer cages
- Kropki dots
The brief
Normal Sudoku rules apply.
DUTCH WHISPERS(+)- Numbers on red lines are EXACTLY 4 apart from their neighbors on the line.
KROPKI PAIRS- Numbers with a white dot between them are consecutive. Not all possible dots are given.
KILLER CAGE- Numbers in the cage sum to the number in the top left corner of the cage.