N = int(input())
X, Y = [0]*N, [0]*N
for i in range(N):
  X[i], Y[i] = map(int, input().split())

X.sort(); Y.sort()
x, y = X[N//2], Y[N//2]

ans = 0
for i in range(N):
  ans += abs(X[i] - x) + abs(Y[i] - y)

print(ans)