1 files changed, 2 insertions, 0 deletions
diff --git a/puzzle.hpp b/puzzle.hpp
index 5b2b2ab..5f51877 100644
--- a/puzzle.hpp
+++ b/puzzle.hpp
@@ -36,6 +36,8 @@ private:
     GameParams() {}
     void CalculateStandardPuzzlePos();
     void ResetFreePuzzles();
+    void NextUntestedPuzzles();
+    bool IsSolvability();
     void CreateNewPuzzles();
 public:
     void NewGame();