diff --git a/Karto/assignment4/KTZ004_2019_04_brez.dwg b/Karto/assignment4/KTZ004_2019_04_brez.dwg
index 508ff4d..920402d 100644
Binary files a/Karto/assignment4/KTZ004_2019_04_brez.dwg and b/Karto/assignment4/KTZ004_2019_04_brez.dwg differ
diff --git a/Karto/assignment4/measure.py b/Karto/assignment4/measure.py
index d540fc4..202c909 100755
--- a/Karto/assignment4/measure.py
+++ b/Karto/assignment4/measure.py
@@ -64,6 +64,8 @@ vertices = [
   Vertex(1,  Dec('151.531'), guess('101-20-01')),
   Vertex(4,  Dec('179.336'), guess('150-15-41')),
 ]
+# adding the 11'th vertex to the end to see if the coordinates match
+vertices.append(Vertex(11, Dec('164.126'), guess('103-03-03')))
 
 angle_sum = Dec(0)
 for v in vertices:
@@ -102,7 +104,7 @@ if __name__ == '__main__':
             (angle_sum, theoretical_angle_sum))
 
     for i, v in enumerate(vertices):
-        nxt = vertices[0 if i == len(vertices) - 1 else i+1]
+        nxt = vertices[1 if i == len(vertices) - 1 else i+1]
 
         pts = "%d-%d" % (v.point, nxt.point)
         draw = "@%.3f<%.4f" % (v.len, 90 - v.dirang)