diff --git a/core.trees/objects/oak/oak1.iob b/core.trees/objects/oak/oak1.iob
new file mode 100644
index 00000000..0509f63c
Binary files /dev/null and b/core.trees/objects/oak/oak1.iob differ
diff --git a/core.trees/objects/oak/oak10.iob b/core.trees/objects/oak/oak10.iob
new file mode 100644
index 00000000..0ed17c42
Binary files /dev/null and b/core.trees/objects/oak/oak10.iob differ
diff --git a/core.trees/objects/oak/oak11.iob b/core.trees/objects/oak/oak11.iob
new file mode 100644
index 00000000..0957483c
Binary files /dev/null and b/core.trees/objects/oak/oak11.iob differ
diff --git a/core.trees/objects/oak/oak12.iob b/core.trees/objects/oak/oak12.iob
new file mode 100644
index 00000000..6bde0e54
Binary files /dev/null and b/core.trees/objects/oak/oak12.iob differ
diff --git a/core.trees/objects/oak/oak2.iob b/core.trees/objects/oak/oak2.iob
new file mode 100644
index 00000000..cd18f74e
Binary files /dev/null and b/core.trees/objects/oak/oak2.iob differ
diff --git a/core.trees/objects/oak/oak3.iob b/core.trees/objects/oak/oak3.iob
new file mode 100644
index 00000000..e7eeeeec
Binary files /dev/null and b/core.trees/objects/oak/oak3.iob differ
diff --git a/core.trees/objects/oak/oak4.iob b/core.trees/objects/oak/oak4.iob
new file mode 100644
index 00000000..7891133f
Binary files /dev/null and b/core.trees/objects/oak/oak4.iob differ
diff --git a/core.trees/objects/oak/oak5.iob b/core.trees/objects/oak/oak5.iob
new file mode 100644
index 00000000..02f5c5ea
Binary files /dev/null and b/core.trees/objects/oak/oak5.iob differ
diff --git a/core.trees/objects/oak/oak6.iob b/core.trees/objects/oak/oak6.iob
new file mode 100644
index 00000000..a34bfcb3
Binary files /dev/null and b/core.trees/objects/oak/oak6.iob differ
diff --git a/core.trees/objects/oak/oak7.iob b/core.trees/objects/oak/oak7.iob
new file mode 100644
index 00000000..d247d07c
Binary files /dev/null and b/core.trees/objects/oak/oak7.iob differ
diff --git a/core.trees/objects/oak/oak8.iob b/core.trees/objects/oak/oak8.iob
new file mode 100644
index 00000000..6f694e62
Binary files /dev/null and b/core.trees/objects/oak/oak8.iob differ
diff --git a/core.trees/objects/oak/oak9.iob b/core.trees/objects/oak/oak9.iob
new file mode 100644
index 00000000..be5ece9c
Binary files /dev/null and b/core.trees/objects/oak/oak9.iob differ