diff --git a/d04.cc b/d04.cc
index 1fb3fa8..059aa9c 100644
--- a/d04.cc
+++ b/d04.cc
@@ -15,9 +15,7 @@ public:
 
     bool overlaps(const Range &in) {
         return (min <= in.min && in.min <= max)
-            || (min <= in.max && in.max <= max)
-            || (in.min <= min && min <= in.max)
-            || (in.min <= max && max <= in.max);
+            || (in.min <= min && min <= in.max);
     }
 };
 
diff --git a/d04.py b/d04.py
index 94c0363..c964fab 100644
--- a/d04.py
+++ b/d04.py
@@ -1,12 +1,8 @@
 #!/usr/bin/env python3
 
 from sys import stdin
-data = [(range(int(a1), int(a2)+1), range(int(b1), int(b2)+1))
-        for (a1, a2), (b1, b2) in [(a.split("-"), b.split("-"))
+data = [(range(a1, a2+1), range(b1, b2+1)) for (a1, a2), (b1, b2) in
+        [(map(int, a.split("-")), map(int, b.split("-")))
             for a, b in [x.split(",") for x in stdin.readlines()]]]
 print(sum(all(x in b for x in a) or all(x in a for x in b) for a, b in data))
 print(sum(bool(set(a) & set(b)) for a, b in data))
-
-for a, b in data:
-    if set(a) & set(b):
-        print((a,b))