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In this grid-shading puzzle, each square is either red or white. Some of the red squares may have already been filled in for you. Each row or column is labelled with a string of numbers. The numbers indicate the length of all consecutive runs of red squares, and are displayed in the order that the runs appear in that line. For example, a label "2 1 6" indicates sets of two, one and six red squares, each of which will have at least one white square separating them.
Click on a square to make it red. Click the square again if you have made a mistake and it will return to white.
If you are certain a square should remain white you can double-click it.
