Notice, how in the second list the first level 2 element
starts with a “b.”, instead of an “a.”. The level 3 list (“i. Level, ii. Here”)
is an implicit list item.
1.      
The
a.      
Levels
                                                              
i.     
Go
                                                            
ii.     
One
                                                           
iii.     
Up
                                                          
iv.     
At
b.     
A
2.      
Time
1.      
One
                                                              
i.     
Level
                                                            
ii.     
Here
b.     
Is
2.      
Skipped