-     xxx one

      xxx two

   > > 1.  2 one
>>
>>     2 two

>>- 3 one
>>
  >  > 3 two

> 4 bar

4 baz

> 5 bar
>
5 baz

> 6 foo
>
> 6 bar

> 7 foo
    - 7 bar

> - 8 foo
- 8 bar

-9 one

2.9 two

123456789. ok

<!-- comment xxx -->

003. ok

<!-- comment yyy -->

-1. not ok

<!-- comment zzz -->

-
  10 foo
-
  ```
  10 bar
  ```
-
      10 baz

<!-- comment 1 -->

1. 11 aaa
* 11 bbb

<!-- comment 2 -->

* 12 aaa
1. 12 bbb

<!-- comment 3 -->

- 

  13 space on the above list line

<!-- comment 4 -->

-

  14 no space on the above list line

15 foo
*

16 foo
* 16 asdf

17 foo
17 asdf *

18 foo
*18 asdf

19 foo
19 asdf*

20 foo
1.

- asdf
- - 21 foo