diff --git a/day19/part1.py b/day19/part1.py
index 88eff2b..ca0b65f 100644
--- a/day19/part1.py
+++ b/day19/part1.py
@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-import re
 
 lines = (x.strip() for x in open("input.txt"))
 rules = {}
diff --git a/day19/part2.py b/day19/part2.py
index c32f2ad..7dc980f 100644
--- a/day19/part2.py
+++ b/day19/part2.py
@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-import re
 
 lines = (x.strip() for x in open("input.txt"))
 rules = {}
@@ -15,19 +14,20 @@ def yield_rule(line, rule, depth):
 
 
 def check(line, idx, depth=0):
-    if depth <= 100:
-        rs = rules[idx]
-        if isinstance(rs, str):
-            if line.startswith(rs):
-                yield line[len(rs):]
-        else:
-            for rule in rules[idx]:
-                yield from yield_rule(line, rule, depth)
+    if depth > 100:
+        return
+    rs = rules[idx]
+    if isinstance(rs, str):
+        if line.startswith(rs):
+            yield line[len(rs):]
+    else:
+        for rule in rules[idx]:
+            yield from yield_rule(line, rule, depth)
 
 
 sum = 0
 for line in lines:
-    line = '11: 42 31 | 42 11 31' if line.startswith('11: ') else line
+    line = '11: 42 31 | 42 11 31' if line.startswith('11:') else line
     line = '8: 42 | 42 8' if line.startswith('8:') else line
     if ":" in line:
         idx, r = line.split(": ")