Example with all variables modifiable

---                                                                             
var1:                                                                           
  - 0                                                                           
var2:                                                                           
  - 0                                                                           
var3:                                                                           
  - 0                                                                           
var4:                                                                           
  - 10                                                                          
var5:                                                                           
  - 10                                                                          
var6:                                                                           
  - 10                                                                          
var7:                                                                           
  - 0                                                                           
var8:                                                                           
  - 0