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Spiral Galaxies

Author: Vladimir Portugalov

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Divide the grid along the grid lines into connected regions – “galaxies” – with rotational symmetry. Each cell must belong to one galaxy, and each galaxy must have exactly one circle at its center of rotational symmetry.

Example puzzle

Grid control: To draw a cut click at the cell edge or move mouse along the line holding the button. You can also connect the cells which belong to the same part with auxiliary line. More details about grid control are at the help page.