Why A Tear Down?  

TearDown1  Tear Down 2  Tear Down 3 
1-   2-   3-
Tear Down 4  Tear Down 5  Tear Down 6 
4-   5-   6-
Tear Down 7  Tear Down 8  Tear Down 9 
7-   8-   9-
Tear Down 10   Tear Down 11    Tear Down 12
10-   11-   12-
Tear Down 13   Tear Down 14   Tear Down 15
13-   14-   15-
Tear Down 16   Tear Down 17    
16-   17-