def calc_median(A):
    N = len(A)
    L = (N-1) // 2
    R = N // 2
    return (A[L], A[R])

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()

xm = calc_median(X)[0]
ym = calc_median(Y)[0]

ans = 0
for x, y in zip(X, Y):
    ans += abs(x - xm) + abs(y - ym)

print(ans)