1. Part 1
   1. Subtopic 1
      1. Subtopic 1
      2. Subtopic 2
   2. Subtopic 2
      1. Subtopic 1
      2. Subtopic 2
   3. Subtopic 3
      1. Subtopic 1
      2. Subtopic 2
   4. Subtopic 4
      1. Subtopic 1
      2. Subtopic 2
2. Part 2
   1. Subtopic 1
      1. Subtopic 1
      2. Subtopic 2
   2. Subtopic 2
      1. Subtopic 1
      2. Subtopic 2
   3. Subtopic 3
      1. Subtopic 1
      2. Subtopic 2
   4. Subtopic 4
      1. Subtopic 1
      2. Subtopic 2
3. Part 3
   1. Subtopic 1
      1. Subtopic 1
      2. Subtopic 2
   2. Subtopic 2
      1. Subtopic 1
      2. Subtopic 2
   3. Subtopic 3
      1. Subtopic 1
      2. Subtopic 2
   4. Subtopic 4
      1. Subtopic 1
      2. Subtopic 2
4. Main Topic 4
   1. Subtopic 1
      1. Subtopic 1
      2. Subtopic 2
   2. Subtopic 2
      1. Subtopic 1
      2. Subtopic 2
   3. Subtopic 3
      1. Subtopic 1
      2. Subtopic 2
   4. Subtopic 4
      1. Subtopic 1
      2. Subtopic 2
5. Main Topic 5
   1. Subtopic 1
      1. Subtopic 1
      2. Subtopic 2
   2. Subtopic 2
      1. Subtopic 1
      2. Subtopic 2
   3. Subtopic 3
      1. Subtopic 1
      2. Subtopic 2
   4. Subtopic 4
      1. Subtopic 1
      2. Subtopic 2
6. Main Topic 6
   1. Subtopic 1
      1. Subtopic 1
      2. Subtopic 2
   2. Subtopic 2
      1. Subtopic 1
      2. Subtopic 2
   3. Subtopic 3
      1. Subtopic 1
      2. Subtopic 2
   4. Subtopic 4
      1. Subtopic 1
      2. Subtopic 2