1 - Click Customize in the menu bar
2 - Go to Layout and choose Page Elements
3 - On the right, choose Add a Gadget
5 - A form should appear. Fill in the Title and copy/paste the code below into the Content field :
6 - you are done !
This sudoku gadget will surely look cool in your blog. Do not hesitate to share it with other bloggers if you wish as it is totally free. You may leave a comment with a link to your site displaying this gadget.