30 Aug
                
                    2015
                
            
            
                30 Aug
                
                '15
                
            
            
            
        
    
                5:45 p.m.
            
        I once overheard a conversation of highschool kids who had done a sudoku solver. The seemed pretty impressed by that, and it seems a problem that is relatively well suited for Haskell. You might want to try that.
Just for fun I tried to do the sudoku solver and as you can see it took me a bit over an hour. Not everything is trivial to program. But the consistency checks should be easy to do even for relatively new programmers. Code appended Silvio