1<a>
2  <b>
3    <c>
4      <state>North Carolina</state>
5      <city>Raleigh</city>
6      <state>North Carolina</state>
7      <city>Raleigh</city>
8    </c>
9  </b>
10</a>
11<a>
12  <b>
13    <c>
14      <state>North Carolina</state>
15      <city>Raleigh</city>
16    </c>
17  </b>
18</a>
19<a>
20  <b>
21    <c>
22      <state>North Carolina</state>
23      <city>Raleigh</city>
24        <d>
25          <e>
26            <f>
27              <state>North Carolina</state>
28              <city>Raleigh</city>
29            </f>
30          </e>
31        </d>
32      <state>North Carolina</state>
33      <city>Raleigh</city>
34    </c>
35  </b>
36</a>
37<a>
38  <b>
39    <c>
40      <state>North Carolina</state>
41      <city>Raleigh</city>
42    </c>
43  </b>
44</a>
45<a>
46  <b>
47    <c>
48      <state>North Carolina</state>
49      <city>Raleigh</city>
50    </c>
51  </b>
52</a>
53<answer>
54<state>North Carolina</state>
55<city>Raleigh</city>
56</answer>
57<top>
58  <data>
59    <tag>value1</tag>
60    <tag>value2</tag>
61  </data>
62</top>
63  <machine>
64    <name>red</name>
65    <memory>55</memory>
66  </machine>
67  <machine>
68    <name>green</name>
69    <memory>55</memory>
70  </machine>
71  <machine>
72    <name>blue</name>
73    <memory>55</memory>
74  </machine>
75