DWG-102.1.11
Killer Sudoku #11 · Easy
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About this puzzle
Sheet #11 divides the grid into 30 cages averaging 2.7 cells. 4 cages have only one possible set of digits — the natural place to begin.
The largest cage covers 4 cells and adds up to 30; it starts at row 9, column 1.
The most open cage, 21 in 4 cells, still allows 11 different sets of digits — leave it for later.
2 cages have a single cell, which works like a given.
Where to start
The 30 in 4 cells starting at row 9, column 1 can only be 6 + 7 + 8 + 9.
The 24 in 3 cells starting at row 6, column 8 can only be 7 + 8 + 9.
Every step can be found with cage combinations plus ordinary sudoku logic.