1 files changed, 18 insertions, 0 deletions

diff --git a/old/2020-unknown-date/cubeutils.h b/old/2020-unknown-date/cubeutils.h
new file mode 100644
index 0000000..b24291c
--- /dev/null
+++ b/old/2020-unknown-date/cubeutils.h
@@ -0,0 +1,18 @@
+/* Cube-specific utility functions */
+
+#ifndef CUBEUTILS_H
+#define CUBEUTILS_H
+
+#include <stdbool.h>
+#include "pieces.h"
+
+void cube_to_ep_array(Cube *cube, int ep[12]);
+void ep_array_to_epos(int ep[12], Cube *cube);
+
+Cube *solved_cube();
+bool solvable(Cube *cube);
+bool solved(Cube *cube);
+
+void print(Cube *cube);
+
+#endif