diff --git a/day09.py b/day09.py
index cce1adf..11ec6a3 100644
--- a/day09.py
+++ b/day09.py
@@ -1,5 +1,4 @@
 import aoclib
-import itertools
 
 DAY = 9
 TEST_SOLUTION_PART1 = 127
@@ -34,13 +33,15 @@ def part2(test_mode=False):
     my_input = aoclib.getInputAsArray(day=DAY, return_type=int, test=test_mode)
     sum_to_find = part1(test_mode)
 
-    for start_index in range(0, len(my_input)):
-        for stop_index in range(start_index + 1, len(my_input) - start_index - 1):
-            thisSum = sum(my_input[start_index:stop_index])
-            if thisSum > sum_to_find:
-                break
+    start_index = 0
+    stop_index = 1
+    thisSum = sum(my_input[start_index:stop_index])
+    while thisSum != sum_to_find:
+        if thisSum > sum_to_find:
+            start_index += 1
+        else:
+            stop_index += 1
 
-            if thisSum == sum_to_find:
-                return min(my_input[start_index:stop_index]) + max(my_input[start_index:stop_index])
+        thisSum = sum(my_input[start_index:stop_index])
 
-    return 0
+    return min(my_input[start_index:stop_index]) + max(my_input[start_index:stop_index])