Talk:Sudoku/@comment-5334617-20140522184310/@comment-5334617-20140522220728

D'oh. When I was training the "0" shape along with all the other digits, I didn't associate it with the "clear cell" function, and when I was using the "clear cell" function, I didn't associate it with having trained the "0" shape. You were already there ahead of me. :)