28 is not impossible. There are 2 separate chains. Start at the fixed point, there are only 2 possible pieces you can use, Use to one that points west and work from there. The 5 link one is in the correct position from the start also.
Level 27 is not impossible. There are 4 separate collections. 2 of which are on comprised of 2 peices. The two small sets located north east are yellow and purple moving in a NW to SE direction
Check this link for pic http://www.flickr.com/photos/lightbringer/3758084550/
Musical Multiplication
Dude! You just completed the Musical Multiplication achievement in Music Catch and won the Musical Multiplication badge and 15 points!
x82 multiplier ;)