1. Child 1
   1. Leaf
   2. Leaf
   3. Child 2
      1. Child 3
         1. Leaf
      2. Sibling
      3. Sibling
2. Sibling
   1. Child 2
      1. Leaf
   2. Leaf
3. Sibling
   1. Leaf
   2. Leaf
4. Branch 1