just pretty much every couple layers
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[IMG]https://i1114.photobucke*****m/albums/k538/ImminentJM/casestudy9.jpg[/IMG]
[IMG]https://i1114.photobucke*****m/albums/k538/ImminentJM/casestudy10.jpg[/IMG]
[IMG]https://i1114.photobucke*****m/albums/k538/ImminentJM/casestudy11.jpg[/IMG]
[IMG]https://i1114.photobucke*****m/albums/k538/ImminentJM/casestudy12.jpg[/IMG]