Nested and mixed lists are an interesting beast. It’s a corner case to make sure that

• Lists within lists do not break the ordered list numbering order
• Your list styles go deep enough.

Ordered – Unordered – Ordered

1. ordered item
2. ordered item
   • unordered
   • unordered
   1. ordered item
   2. ordered item
3. ordered item
4. ordered item

Ordered – Unordered – Unordered

1. ordered item
2. ordered item
   • unordered
   • unordered
   • unordered item
   • unordered item
3. ordered item
4. ordered item

Unordered – Ordered – Unordered

• unordered item
• unordered item
  1. ordered
  2. ordered
     • unordered item
     • unordered item
• unordered item
• unordered item

Unordered – Unordered – Ordered

• unordered item
• unordered item
  • unordered
  • unordered
    1. ordered item
    2. ordered item
• unordered item
• unordered item