DWG-102.3
Killer Sudoku · Hard
Hard sheets need locking between cages and lines, and pairs. Cages grow to 6 cells, so notes pay off early. Every sheet below keeps its number for good, so you can come back to it or send it to someone.
Cages across this series: 21–25.
- Sheet #1Cages: 24 · One-combination cages: 1
- Sheet #2Cages: 23 · One-combination cages: 1
- Sheet #3Cages: 24 · One-combination cages: 0
- Sheet #4Cages: 25 · One-combination cages: 5
- Sheet #5Cages: 25 · One-combination cages: 0
- Sheet #6Cages: 25 · One-combination cages: 2
- Sheet #7Cages: 23 · One-combination cages: 3
- Sheet #8Cages: 22 · One-combination cages: 4
- Sheet #9Cages: 25 · One-combination cages: 2
- Sheet #10Cages: 25 · One-combination cages: 1
- Sheet #11Cages: 21 · One-combination cages: 2
- Sheet #12Cages: 22 · One-combination cages: 2
Other levels: Easy · Medium · Back to Killer Sudoku