Hitori
                        
            Translate this site. 
            
                    
Hitori is a logic puzzle with simple rules and challenging solutions.
			The rules of Hitori are simple:
            You have to shade some of the cells of the grid according to the rules:
            - No number should appear unshaded more than once in a row or a column.
            - 2 black cells cannot be adjacent horizontally or vertically.
            - All non-shaded cells should be connected in a single group by vertical or horizontal motion.