Put exactly one white circle (sun), one black circle (moon), and one star in every row and column of the grid. Symbols will not touch similar symbols diagonally. A circle on the side of the grid indicates the color of the circle closer to the star in that row or column. A star on the side of the grid indicates that the circles in that row or column are the same distance to the star. Below is a solved puzzle as an example. Each puzzle below has a unique solution. All puzzles copyright Erich Friedman, 2010.