(Sun, 10/28/2012 - 07:10 | 0 comments)
|Opened on:||Sunday, October 28, 2012 - 07:10|
|Last modified:||Sunday, October 28, 2012 - 07:10|
Could the symmetry puzzle types be extended to include tiling arrangements? Puzzle 647 might be easier if we could see the protein's neighbors.