0.7  1.5  43.4 # translation for spine
4              # Section number
3.0            # How far away from the reliefs
-1             # -1 : Balustrade Tour; 1 : Main wall tour

  8.7    0.0  3     # Outer rim spine
  0.0   -3.1  1 
 16.6    0.0  6 
  0.0   -3.1  1 
 11.2    0.0  4 
  0.0  -11.2  4 
  3.1    0.0  1 
  0.0  -16.6  6 
  3.1    0.0  1 
  0.0   -8.7  3 

**********************************************
 9.0   0.0  3   # Outer rim spine (1.7 m)
 0.0  -2.6  1
17.2   0.0  6
 0.0  -2.6  1
12.0   0.0  4
 0.0 -12.0  4
 2.6   0.0  1
 0.0 -17.2  6
 2.6   0.0  1
 0.0  -9.0  3