by Colleen Atradley
(lkwd, co usa)

In the cell I put a dot for 1 2 3

4 5 6

7 8 9

When I look at a cell a know what numbers are available

. x x

x . x

x x x
1 and 5 will fit

I scan rows then columns for gimmes

I use the other strategies and if needed I know all the values possible for each cell, for each row, for each column.

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