diff --git a/src/main/c/sudoku.c b/src/main/c/sudoku.c
index 93ec660..560e174 100644
--- a/src/main/c/sudoku.c
+++ b/src/main/c/sudoku.c
@@ -124,6 +124,104 @@ int availableLevels[3][3][SIZE][SIZE] = {
     }
 };
 
+int solutionLevels[3][3][SIZE][SIZE] = {
+    
+    { //easy
+    {{4, 7, 3, 6, 2, 1, 8, 5, 9},
+     {6, 8, 5, 9, 7, 4, 1, 3, 2},
+     {9, 2, 1, 5, 3, 8, 7, 6, 4},
+     {7, 6, 9, 3, 5, 2, 4, 8, 1},
+     {8, 5, 4, 1, 9, 7, 6, 2, 3},
+     {1, 3, 2, 4, 8, 6, 9, 7, 5},
+     {2, 9, 7, 8, 1, 5, 3, 4, 6},
+     {3, 4, 8, 2, 6, 9, 5, 1, 7},
+     {5, 1, 6, 7, 4, 3, 2, 9, 8}},
+
+    {{4, 7, 3, 6, 2, 1, 8, 5, 9},
+     {6, 8, 5, 9, 7, 4, 1, 3, 2},
+     {9, 2, 1, 5, 3, 8, 7, 6, 4},
+     {7, 6, 9, 3, 5, 2, 4, 8, 1},
+     {8, 5, 4, 1, 9, 7, 6, 2, 3},
+     {1, 3, 2, 4, 8, 6, 9, 7, 5},
+     {2, 9, 7, 8, 1, 5, 3, 4, 6},
+     {3, 4, 8, 2, 6, 9, 5, 1, 7},
+     {5, 1, 6, 7, 4, 3, 2, 9, 8}},
+
+    {{4, 7, 3, 6, 2, 1, 8, 5, 9},
+     {6, 8, 5, 9, 7, 4, 1, 3, 2},
+     {9, 2, 1, 5, 3, 8, 7, 6, 4},
+     {7, 6, 9, 3, 5, 2, 4, 8, 1},
+     {8, 5, 4, 1, 9, 7, 6, 2, 3},
+     {1, 3, 2, 4, 8, 6, 9, 7, 5},
+     {2, 9, 7, 8, 1, 5, 3, 4, 6},
+     {3, 4, 8, 2, 6, 9, 5, 1, 7},
+     {5, 1, 6, 7, 4, 3, 2, 9, 8}}},
+
+    {//medium
+     {{4, 7, 3, 6, 2, 1, 8, 5, 9},
+     {6, 8, 5, 9, 7, 4, 1, 3, 2},
+     {9, 2, 1, 5, 3, 8, 7, 6, 4},
+     {7, 6, 9, 3, 5, 2, 4, 8, 1},
+     {8, 5, 4, 1, 9, 7, 6, 2, 3},
+     {1, 3, 2, 4, 8, 6, 9, 7, 5},
+     {2, 9, 7, 8, 1, 5, 3, 4, 6},
+     {3, 4, 8, 2, 6, 9, 5, 1, 7},
+     {5, 1, 6, 7, 4, 3, 2, 9, 8}},
+
+    {{4, 7, 3, 6, 2, 1, 8, 5, 9},
+     {6, 8, 5, 9, 7, 4, 1, 3, 2},
+     {9, 2, 1, 5, 3, 8, 7, 6, 4},
+     {7, 6, 9, 3, 5, 2, 4, 8, 1},
+     {8, 5, 4, 1, 9, 7, 6, 2, 3},
+     {1, 3, 2, 4, 8, 6, 9, 7, 5},
+     {2, 9, 7, 8, 1, 5, 3, 4, 6},
+     {3, 4, 8, 2, 6, 9, 5, 1, 7},
+     {5, 1, 6, 7, 4, 3, 2, 9, 8}},
+
+    {{4, 7, 3, 6, 2, 1, 8, 5, 9},
+     {6, 8, 5, 9, 7, 4, 1, 3, 2},
+     {9, 2, 1, 5, 3, 8, 7, 6, 4},
+     {7, 6, 9, 3, 5, 2, 4, 8, 1},
+     {8, 5, 4, 1, 9, 7, 6, 2, 3},
+     {1, 3, 2, 4, 8, 6, 9, 7, 5},
+     {2, 9, 7, 8, 1, 5, 3, 4, 6},
+     {3, 4, 8, 2, 6, 9, 5, 1, 7},
+     {5, 1, 6, 7, 4, 3, 2, 9, 8}}
+    },
+
+    {//hard
+    {{4, 7, 3, 6, 2, 1, 8, 5, 9},
+     {6, 8, 5, 9, 7, 4, 1, 3, 2},
+     {9, 2, 1, 5, 3, 8, 7, 6, 4},
+     {7, 6, 9, 3, 5, 2, 4, 8, 1},
+     {8, 5, 4, 1, 9, 7, 6, 2, 3},
+     {1, 3, 2, 4, 8, 6, 9, 7, 5},
+     {2, 9, 7, 8, 1, 5, 3, 4, 6},
+     {3, 4, 8, 2, 6, 9, 5, 1, 7},
+     {5, 1, 6, 7, 4, 3, 2, 9, 8}},
+
+    {{4, 7, 3, 6, 2, 1, 8, 5, 9},
+     {6, 8, 5, 9, 7, 4, 1, 3, 2},
+     {9, 2, 1, 5, 3, 8, 7, 6, 4},
+     {7, 6, 9, 3, 5, 2, 4, 8, 1},
+     {8, 5, 4, 1, 9, 7, 6, 2, 3},
+     {1, 3, 2, 4, 8, 6, 9, 7, 5},
+     {2, 9, 7, 8, 1, 5, 3, 4, 6},
+     {3, 4, 8, 2, 6, 9, 5, 1, 7},
+     {5, 1, 6, 7, 4, 3, 2, 9, 8}},
+
+    {{4, 7, 3, 6, 2, 1, 8, 5, 9},
+     {6, 8, 5, 9, 7, 4, 1, 3, 2},
+     {9, 2, 1, 5, 3, 8, 7, 6, 4},
+     {7, 6, 9, 3, 5, 2, 4, 8, 1},
+     {8, 5, 4, 1, 9, 7, 6, 2, 3},
+     {1, 3, 2, 4, 8, 6, 9, 7, 5},
+     {2, 9, 7, 8, 1, 5, 3, 4, 6},
+     {3, 4, 8, 2, 6, 9, 5, 1, 7},
+     {5, 1, 6, 7, 4, 3, 2, 9, 8}}
+    }
+};
+
 
 void startSudoku() {
     int grid[SIZE][SIZE];