In this puzzle, you need to harness your logical mind in order to solve a complex riddle. Before you is a playing field with a volume of five cells in height and the same in width. Your goal is to unravel the number of empty cells in one row, and later in others. The numbers on the left and top indicate the number of full cells you need to detect. When you open all the squares, you get an image and you get new skills for your logical thinking.