Example with all variables modifiable

rougail:                      # Rougail
  var1: 0.0                   # The first variable
  var2: 0.0                   # The second variable
  var3: 0.0                   # The third variable
  var4: 10.1                  # The forth variable
  var5: 10.1                  # The fifth variable
  var6: 10.1                  # The sixth variable