n = int(input())

x = []
y = []        
for i in range(n):
    xi,yi = map(int,input().split())
    x.append(xi)
    y.append(yi)
    
x.sort()
y.sort()

if n%2 == 1:
    cx = x[n//2]
    cy = y[n//2]
    ans = 0
    for i in range(n):
        ans += abs(x[i]-cx)+abs(y[i]-cy)
    print(ans)

else:
    cx = (x[n//2-1]+x[n//2])/2
    cy = (y[n//2-1]+y[n//2])/2
    ans = 0
    for i in range(n):
        ans += abs(x[i]-cx)+abs(y[i]-cy)
    print(ans)