diff --git a/include/shifting.h b/include/shifting.h
new file mode 100644
index 0000000..c0a37f7
--- /dev/null
+++ b/include/shifting.h
@@ -0,0 +1,24 @@
+/*
+ *  <Short Description>
+ *  Copyright (C) 2024  Brett Terpstra
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef GP_IMAGE_TEST_SHIFTING_H
+#define GP_IMAGE_TEST_SHIFTING_H
+
+void calculate_ordering();
+
+#endif //GP_IMAGE_TEST_SHIFTING_H
diff --git a/libraries/BLT-With-Graphics-Template b/libraries/BLT-With-Graphics-Template
index 709db71..129f6e3 160000
--- a/libraries/BLT-With-Graphics-Template
+++ b/libraries/BLT-With-Graphics-Template
@@ -1 +1 @@
-Subproject commit 709db718275718e09b3c68bde3faa6d7c9701af8
+Subproject commit 129f6e3fb9d6524e9fd6ece47f9bf4ea6f0a1a83
diff --git a/src/shifting.cpp b/src/shifting.cpp
new file mode 100644
index 0000000..b920a9f
--- /dev/null
+++ b/src/shifting.cpp
@@ -0,0 +1,56 @@
+/*
+ *  <Short Description>
+ *  Copyright (C) 2024  Brett Terpstra
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+#include <shifting.h>
+#include <blt/math/vectors.h>
+#include <vector>
+#include <blt/std/hashmap.h>
+
+inline constexpr char from_char(char c)
+{
+    return c - 'a';
+}
+
+struct vertex
+{
+    char name;
+    HASHSET<char> neighbours;
+    
+    vertex(char name, const HASHSET<char>& n): name(from_char(name))
+    {
+        for (const auto& v : n)
+            neighbours.insert(from_char(v));
+    }
+};
+
+std::vector<vertex> edges = {
+        vertex{'a', {'i', 'e', 'b', 'j', 'h'}},
+        vertex{'b', {'a', 'e', 'c', 'j'}},
+        vertex{'c', {'e', 'd', 'f', 'j', 'b'}},
+        vertex{'d', {'e', 'f', 'c'}},
+        vertex{'e', {'h', 'f', 'd', 'c', 'b', 'a', 'i'}},
+        vertex{'f', {'d', 'e', 'h', 'g', 'j', 'c'}},
+        vertex{'g', {'j', 'f', 'h'}},
+        vertex{'h', {'j', 'g', 'f', 'e', 'i', 'a'}},
+        vertex{'i', {'e', 'a', 'h'}},
+        vertex{'j', {'a', 'b', 'c', 'f', 'g', 'h'}},
+};
+
+void calculate_ordering()
+{
+
+}