diff --git a/problem3.py b/problem3.py
index bcc0a19..35dcc9d 100644
--- a/problem3.py
+++ b/problem3.py
@@ -11,14 +11,8 @@ for line in my_input:
     p1 += l_high - l_low + 1
     p1 += r_high - r_low + 1
 
-    if r_low < l_low:
-        l_low, l_high, r_low, r_high = r_low, r_high, l_low, l_high
-
-    if l_high < r_low:
-        this_box_set = set(range(l_low, l_high + 1))
-        this_box_set |= set(range(r_low, r_high + 1))
-    else:
-        this_box_set = set(range(min(l_low, r_low), max(l_high, r_high) + 1))
+    this_box_set = set(range(l_low, l_high + 1))
+    this_box_set |= set(range(r_low, r_high + 1))
 
     p2 += len(this_box_set)
     if len(this_box_set | last_boxes) > p3: