rows :: Board -> [[Cell]] 
rows b = [[b!!0 , b!!1, b!!2],
          [b!!3, b!!4, b!!5],
          [b!!6, b!!7, b!!8]]
rows :: Board -> [[Cell]]
rows b = [[b!!0 , b!!1, b!!2],
          [b!!3, b!!4, b!!5],
          [b!!6, b!!7, b!!8]]
rows b = [[b!!0 , b!!1, b!!2],
          [b!!3, b!!4, b!!5],
          [b!!6, b!!7, b!!8]]