diff --git a/its/aufgaben/winter20162017FS.md b/its/aufgaben/winter20162017FS.md
index 066ed13..0bc3967 100644
--- a/its/aufgaben/winter20162017FS.md
+++ b/its/aufgaben/winter20162017FS.md
@@ -14,9 +14,13 @@ Subnetzmaske: 255.255.0.0
 Bits: 2^3 = 8
 
 11111111.11111111.00000000.0
+
 11111111.11111111.00100000.0
+
 11111111.11111111.01000000.0
+
 11111111.11111111.01100000.0
+
 11111111.11111111.10000000.0
 
 172.20.0.0