DWG-105.1.09
Binary #9 · Easy
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About this puzzle
A 6×6 grid with 11 of its 36 cells given (31%). Every row and column needs 3 rings and 3 dots.
Row 2 has the most givens (3); among the columns, column 2 has the most (3).
One line starts completely empty.
Where to start
The start already shows 3 doubles and 3 sandwiches, each of which forces its neighbours.
Doubles, sandwiches and counting solve this sheet from start to finish.