Here is a play which will hold you in breath if you do not know it! In front of you, there is a plate with 25 cubes (5x5). With you of raising all these cubes (at least 24 of them). For that, you click on one of the cubes; it rises, but attention, it involves with him all the adjacent cubes. If a selected cube is raised, it bends down. Will you find the good tactics to come to end from this puzzle?