Bank Vault Authentication Code
- Kropki dots
- Arrows
- Whisper lines
The brief
Normal Sudoku rules apply. GERMAN WHISPERS (vault handle)- Numbers on the green line are at least 5 apart from their neighbors on the line. ARROWS- Numbers on arrows sum to the number in the arrow's circle. The circles in the four corner cells of the puzzle are all different than one another. KROPKI PAIRS- Numbers with a white dot between them are consecutive.