*Vertices 4
1 "AdvMaterProcess" 0.0 0.0 0.0 x_fact 2.238806 y_fact 2.238806
2 "MaterWorld" 0.0 0.0 0.0 x_fact 0.000000 y_fact 1.492537
3 "MinimInvasivTher" 0.0 0.0 0.0 x_fact 0.000000 y_fact 17.164179
4 "OptMater" 0.0 0.0 0.0 x_fact 0.000000 y_fact 79.104478
*Matrix 
0.000000 0.577350 0.577350 0.577350 
0.577350 0.000000 0.000000 0.000000 
0.577350 0.000000 0.000000 0.000000 
0.577350 0.000000 0.000000 0.000000