This test matches if the list displays similar to the following

1. A
2. B
3. C
4. D
5. E
     1. F
     2. G
6. H
     1. I
     2. J
          3. K
          4. L

1. A
2. B
3. C
4. D
5. E
1. F
2. G
6. H
1. I
2. J
   K
   L