# Example with all variables modifiable

    var1:                         # The first variable
      - 0.0
    var2:                         # The second variable
      - 0.0
    var3:                         # The third variable
      - 0.0
    var4:                         # The forth variable
      - 10.1
    var5:                         # The fifth variable
      - 10.1
    var6:                         # The sixth variable
      - 10.1
    var7:                         # The seventh variable
      - 0.0
    var8:                         # The eighth variable
      - 0.0