Some lists

My list

• first item
• second item
• third item

• first item
• second item
• third item

My grocery list

12. dairy products
13. meat
14. cereal

Another grocery list

1. dairy products
3. meat
4. cereal

My complicated grocery list

1. dairy products
   1. Healthy dairy products
      3. yogurt
      4. skim milk
   2. Unhealthy but essential dairy products
      1. ice cream
      5. more ice cream
      6. lots more ice cream
2. meat
3. cereal

The secret third type of list, described below