diff --git a/Chapter 4/Ex4.2.py b/Chapter 4/Ex4.2.py
index 4992a38..3ac2548 100644
--- a/Chapter 4/Ex4.2.py	
+++ b/Chapter 4/Ex4.2.py	
@@ -17,7 +17,7 @@ def move(self, u):  # get next S
             elif self.id - 1 == 0:
                 return 0
             elif self.id == 16:
-                return 16
+                return 12
             else:
                 return self.id
         if u == 'R':  # move right
@@ -26,7 +26,7 @@ def move(self, u):  # get next S
             elif self.id + 1 == 15:
                 return 0
             elif self.id == 16:
-                return 16
+                return 14
             else:
                 return self.id
         if u == 'U':  # move up
@@ -92,7 +92,7 @@ def draw(valueArray):
     print("|    | "+str(int(valueArray[16])) +" |    |   |")
     print("----------------------")
     print("Accurate State Values List:")
-    for i in range(1,8):
+    for i in range(1,9):
         print("State "+str(2*i-1)+": "+str(valueArray[2*i-1])+ "          State "+str(2*i)+": "+str(valueArray[2*i]))
 
 if __name__ == '__main__':