Starry Night

Starry Night is a logic puzzle invented by Naoki Inaba (Japan). The aim is to place one white circle ("sun"), one black circle ("moon") and one star in every row and column of the grid. Same figures may not touch each other diagonally. The figures outside the grid indicate the distance between the star and circles in that row or column:

Starry Night

Cross+A can solve puzzles from 5 x 5 to 16 x 16.