Sudoku on Shoes

Sudoku is a famous puzzle. I'd never known it, though... :-P
Steve Pugh, auther of Wicked Cool Ruby Scripts, gave me a good suggestion in the first ever Book Promotion Class of RubyLearning. So, I wrote this tiny Shoes app. :)

# sudoku_on_shoes_snapshot.png

It's not so interesting yet. But I'm going to improve step by step.
Have fun!
ashbb