diff --git a/output/tree.C000.dat b/output/tree.C000.dat
new file mode 100644
index 0000000000000000000000000000000000000000..5d115f3814a5661a677c3747c92a5eaeb9681b16
--- /dev/null
+++ b/output/tree.C000.dat
@@ -0,0 +1,45 @@
+time 0
+open C000 0 0 600 600 0 15 0
+open C000a 0 1168 16 1200 1 9 0
+open C000aa 0 2352 16 2400 2 9 0
+open C000aaa 0 4704 16 4800 3 9 0
+close C000aaa
+open C000aab 16 4704 32 4800 3 8 0
+close C000aab
+close C000aa
+open C000ab 16 2352 32 2400 2 8 0
+open C000aba 32 4704 48 4800 3 8 0
+close C000aba
+open C000abb 48 4704 64 4800 3 8 0
+close C000abb
+close C000ab
+close C000a
+open C000b 16 1168 32 1200 1 8 0
+open C000ba 32 2352 48 2400 2 8 0
+open C000baa 64 4704 80 4800 3 8 0
+close C000baa
+open C000bab 80 4704 96 4800 3 8 0
+close C000bab
+close C000ba
+open C000bb 48 2352 64 2400 2 8 0
+open C000bba 96 4720 112 4800 3 8 0
+close C000bba
+open C000bbb 112 4720 128 4800 3 8 0
+close C000bbb
+close C000bb
+close C000b
+open C000c 32 1184 48 1200 1 8 0
+open C000ca 64 2368 80 2400 2 8 0
+open C000caa 128 4736 144 4800 3 8 0
+close C000caa
+open C000cab 144 4752 160 4800 3 8 0
+close C000cab
+close C000ca
+open C000cb 80 2384 96 2400 2 8 0
+open C000cba 160 4768 176 4800 3 8 0
+close C000cba
+open C000cbb 176 4784 192 4800 3 8 0
+close C000cbb
+close C000cb
+close C000c
+close C000