Testing counters()

CSS relevant to counting:

1. "1" is expected
   1. "1.1" is expected
   2. "1.2" is expected
2. "2" is expected
3. "3" is expected
   1. "3.1" is expected
   2. "3.2" is expected
4. "4" is expected
5. "5" is expected
   1. "5.1" is expected
   2. "5.2" is expected

1. "1" is expected
2. "2" is expected
   1. "2.1" is expected
      1. "2.1.1" is expected
      2. "2.1.2" is expected
   2. "2.2" is expected
      1. "2.2.1" is expected
      2. "2.2.2" is expected
      3. "2.2.3" is expected
3. "3" is expected

1. "1" is expected
   1. "1.1" is expected
      1. "1.1.1" is expected
         1. "1.1.1.1" is expected
            1. "1.1.1.1.1" is expected
2. "2" is expected
   1. "2.1" is expected
      1. "2.1.1" is expected
         1. "2.1.1.1" is expected
            1. "2.1.1.1.1" is expected
         2. "2.1.1.2" is expected
            1. "2.1.1.2.1" is expected
            2. "2.1.1.2.2" is expected