diff --git a/2021/Python/day07.py b/2021/Python/day07.py
index fcc3471..28c6ccf 100644
--- a/2021/Python/day07.py
+++ b/2021/Python/day07.py
@@ -1,3 +1,6 @@
+import numpy as np
+
+
 def load() -> list[int]:
     with open('../.input/day07') as f:
         return [int(x) for x in f.readline().split(',')]
@@ -8,5 +11,20 @@ def solve1() -> int:
     median = sorted(numbers)[len(numbers) // 2]
     return sum(abs(x - median) for x in numbers)
 
+
+def nth_sum(n: int) -> int:
+    return n * (n + 1) // 2
+
+
+def solve2() -> int:
+    numbers = np.array(load())
+    search_vector = np.arange(0, max(numbers) + 1)
+    search_matrix = np.tile(search_vector, (len(numbers), 1)).T
+    distance = abs(search_matrix - numbers)
+    fuel_expended = nth_sum(distance)
+    return min(fuel_expended.sum(axis=1))
+    
+
 if __name__ == '__main__':
     print(solve1())  # 356179
+    print(solve2())  # 99788435