It is a game wherein you uncover hidden (black & white) picture using clues which give you information about the individual blocks of pixel in each row and column. You are given clue for each row and column which tell you how many black squares there are in that row as a group. A group of black square are squares that are contiguous with in the row or column with no white squares between them. If a white square is between two black squares, then those two black squares belong to different groups.

Puzzle

Solution