0h h1 is a little logic game
                by Q42. If you like, you can also get the free 0h h1 app.
                
                It was created by
                Martin Kool.
                
                The concept is also known
                as Takuzu or Binairo.
                
                (c) 2014
                www.q42.com · 0hh1.com
                
Three adjacent tiles of the same color in a row or column isn't allowed.
Rows and columns have an equal number of each color.
No two rows and no two columns are the same.