N = int(input())
X = []
Y = []
for _ in range(N):
    x, y = map(int, input().split())
    X.append(x)
    Y.append(y)

X.sort()
Y.sort()

if N % 2:
    base_x = X[N // 2]
    base_y = Y[N // 2]
else:
    base_x = (X[N // 2] + X[N // 2 - 1]) // 2
    base_y = (Y[N // 2] + Y[N // 2 - 1]) // 2

ans = 0
for x in X:
    ans += abs(x - base_x)
for y in Y:
    ans += abs(y - base_y)

print(ans)