bottom left    bottom right  top left         top right
VC0 (-2011,2850,0) (-673,3000,0) (-2011,2850,757) (-673,3000,757)
VC1 ( -673,3000,0) ( 673,3000,0) ( -673,3000,757) ( 673,3000,757)
VC2 (  673,3000,0) (2011,2850,0) (  673,3000,757) (2011,3000,757)
MCC3(-2011,2850,0) (2011,2850,0) (-2011,2850,757) (2011,3000,757)
MCC4(-2011,2850,0) (2011,2850,0) (-2011,2850,757) (2011,3000,757)
VC5 (-2011,2850,0) (2011,2850,0) (-2011,2850,757) (2011,3000,757)
VC6 none