DWG-102.1.08
Killer Sudoku #8 · Easy
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About this puzzle
Sheet #8 divides the grid into 33 cages averaging 2.5 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 21; it starts at row 8, column 1.
The most open cage, 18 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 4 in 2 cells starting at row 1, column 6 can only be 1 + 3.
The 3 in 2 cells starting at row 2, column 8 can only be 1 + 2.
Every step can be found with cage combinations plus ordinary sudoku logic.