Daily puzzle (2020-06-17)

Scores

Easy as Coral

Author: Dmitry Grishchenko

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Paint some cells black to form a coral - single connected area. No 2x2 squares can be completely blackened. The coral doesn't have any holes - all white cells should be connected to the edge of the grid. Numbers outside show the lengths of the first fragment of the coral in the corresponding row or column.

Example puzzle

Grid control: Click the mouse button at the selected cell to change the color of the cell. More details about grid control are at the help page.