[BedCompositionFileInformation]
   FileVersion      = 01.00
[Layer]
   Type             = mass fraction
   Fraction1        = 1.0
   Fraction2        = 0.0
   Thick            = 0.01
[Layer]
   Type             = mass fraction
   Fraction1        = 0.0
   Fraction2        = 1.0
   Thick            = 0.01
[Layer]
   Type             = mass fraction
   Fraction1        = 0.5
   Fraction2        = 0.5
   Thick            = 0.01