diff --git a/examples2/tree/aarbology.test3.nonlinear.pattern.xml b/examples2/tree/aarbology.test3.nonlinear.pattern.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fcc198278c63bea91d002441a7ee4d55eacee2e
--- /dev/null
+++ b/examples2/tree/aarbology.test3.nonlinear.pattern.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0"?>
+<RankedNonlinearPattern><subtreeWildcard><RankedSymbol><SubtreeWildcardSymbol/><Unsigned>0</Unsigned></RankedSymbol></subtreeWildcard><rankedNonlinearVariables><RankedSymbol><NonlinearVariableSymbol><LabeledSymbol><PrimitiveLabel><String>A</String></PrimitiveLabel></LabeledSymbol></NonlinearVariableSymbol><Unsigned>0</Unsigned></RankedSymbol></rankedNonlinearVariables><rankedAlphabet><RankedSymbol><LabeledSymbol><PrimitiveLabel><Character>a</Character></PrimitiveLabel></LabeledSymbol><Unsigned>2</Unsigned></RankedSymbol><RankedSymbol><SymbolRef id="0"/><Unsigned>0</Unsigned></RankedSymbol><RankedSymbol><SymbolRef id="2"/><Unsigned>0</Unsigned></RankedSymbol></rankedAlphabet><rankedNode><RankedSymbol><SymbolRef id="3"/><Unsigned>2</Unsigned></RankedSymbol><rankedNode><RankedSymbol><SymbolRef id="2"/><Unsigned>0</Unsigned></RankedSymbol></rankedNode><rankedNode><RankedSymbol><NonlinearVariableSymbol><LabeledSymbol><PrimitiveLabel><String>A</String></PrimitiveLabel></LabeledSymbol></NonlinearVariableSymbol><Unsigned>0</Unsigned></RankedSymbol></rankedNode></rankedNode></RankedNonlinearPattern>
diff --git a/examples2/tree/aarbology.test3.subject.xml b/examples2/tree/aarbology.test3.subject.xml
new file mode 100644
index 0000000000000000000000000000000000000000..1b6b3a3a438749e03354df7abbbaab0bab96ddd7
--- /dev/null
+++ b/examples2/tree/aarbology.test3.subject.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0"?>
+<RankedTree><rankedAlphabet><RankedSymbol><LabeledSymbol><PrimitiveLabel><Character>a</Character></PrimitiveLabel></LabeledSymbol><Unsigned>1</Unsigned></RankedSymbol><RankedSymbol><LabeledSymbol><PrimitiveLabel><Character>a</Character></PrimitiveLabel></LabeledSymbol><Unsigned>2</Unsigned></RankedSymbol><RankedSymbol><LabeledSymbol><PrimitiveLabel><Character>b</Character></PrimitiveLabel></LabeledSymbol><Unsigned>0</Unsigned></RankedSymbol></rankedAlphabet><rankedNode><RankedSymbol><SymbolRef id="1"/><Unsigned>2</Unsigned></RankedSymbol><rankedNode><RankedSymbol><LabeledSymbol><PrimitiveLabel><Character>a</Character></PrimitiveLabel></LabeledSymbol><Unsigned>2</Unsigned></RankedSymbol><rankedNode><RankedSymbol><SymbolRef id="0"/><Unsigned>1</Unsigned></RankedSymbol><rankedNode><RankedSymbol><SymbolRef id="2"/><Unsigned>0</Unsigned></RankedSymbol></rankedNode></rankedNode><rankedNode><RankedSymbol><LabeledSymbol><PrimitiveLabel><Character>a</Character></PrimitiveLabel></LabeledSymbol><Unsigned>1</Unsigned></RankedSymbol><rankedNode><RankedSymbol><LabeledSymbol><PrimitiveLabel><Character>b</Character></PrimitiveLabel></LabeledSymbol><Unsigned>0</Unsigned></RankedSymbol></rankedNode></rankedNode></rankedNode><rankedNode><RankedSymbol><LabeledSymbol><PrimitiveLabel><Character>a</Character></PrimitiveLabel></LabeledSymbol><Unsigned>2</Unsigned></RankedSymbol><rankedNode><RankedSymbol><LabeledSymbol><PrimitiveLabel><Character>a</Character></PrimitiveLabel></LabeledSymbol><Unsigned>1</Unsigned></RankedSymbol><rankedNode><RankedSymbol><LabeledSymbol><PrimitiveLabel><Character>b</Character></PrimitiveLabel></LabeledSymbol><Unsigned>0</Unsigned></RankedSymbol></rankedNode></rankedNode><rankedNode><RankedSymbol><LabeledSymbol><PrimitiveLabel><Character>a</Character></PrimitiveLabel></LabeledSymbol><Unsigned>1</Unsigned></RankedSymbol><rankedNode><RankedSymbol><LabeledSymbol><PrimitiveLabel><Character>b</Character></PrimitiveLabel></LabeledSymbol><Unsigned>0</Unsigned></RankedSymbol></rankedNode></rankedNode></rankedNode></rankedNode></RankedTree>