DWG-102.1.09
Killer Sudoku #9 · Easy
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About this puzzle
Sheet #9 divides the grid into 32 cages averaging 2.5 cells. 2 cages have only one possible set of digits — the natural place to begin.
The largest cage covers 4 cells and adds up to 26; it starts at row 2, column 7.
The most open cage, 22 in 4 cells, still allows 11 different sets of digits — leave it for later.
One cage has a single cell, which works like a given.
Where to start
The 16 in 2 cells starting at row 7, column 3 can only be 7 + 9.
The 4 in 2 cells starting at row 7, column 8 can only be 1 + 3.
Every step can be found with cage combinations plus ordinary sudoku logic.