<pattern>
<freq>5</freq>
<what>a</what>
<where>0 1 2 3 4</where>
</pattern>
<pattern>
<freq>4</freq>
<what>a b</what>
<where>0 1 3 4</where>
</pattern>
<pattern>
<freq>5</freq>
<what>b</what>
<where>0 1 2 3 4</where>
</pattern>
<pattern>
<freq>4</freq>
<what>b c</what>
<where>0 2 3 4</where>
</pattern>
<pattern>
<freq>5</freq>
<what>c</what>
<where>0 1 2 3 4</where>
</pattern>
<pattern>
<freq>4</freq>
<what>d</what>
<where>1 2 3 4</where>
</pattern>
<pattern>
<freq>4</freq>
<what>d a</what>
<where>1 2 3 4</where>
</pattern>
<pattern>
<freq>4</freq>
<what>d a b</what>
<where>1 2 3 4</where>
</pattern>
<pattern>
<freq>4</freq>
<what>d a b c</what>
<where>1 2 3 4</where>
</pattern>
<pattern>
<freq>4</freq>
<what>d a // c</what>
<where>1 2 3 4</where>
</pattern>
<pattern>
<freq>4</freq>
<what>d // b</what>
<where>1 2 3 4</where>
</pattern>
<pattern>
<freq>4</freq>
<what>d // b c</what>
<where>1 2 3 4</where>
</pattern>
