TSQL Challenge 56 - Create a Sierpinski carpet using TSQL
This challnge invites you to generate a Sierpinsky carpet using TSQL. If you are new to Sierpinsky Carpet, see the details here (http://en.wikipedia.org/wiki/Sierpinski_carpet).
Your job is to read the input table and generate a Sierpinsky carpet of the specified level.
http://beyondrelational.com/puzzles/tsql/56/english/create-a-sierpinski-carpet-using-tsql.aspx