Example puzzle
This is an example puzzle. You can solve it the same way as you would solve competition puzzle, but result never stored. You can reveal an answer for the puzzle by clicking "Show answer" link.
Star Battle (Small Regions)
Author: Andrey Bogdanov
Fill some cells with stars so that 2 stars appear in every row and column. Each bold-outlined area should contain exactly one star. Cells with stars cannot touch each other, not even diagonally.
Grid control: Click the mouse button at the selected cell to set/remove a star. More details about grid control are at the help page.