N=int(input())
xs,ys=[],[]
for i in range(N):
    x,y=map(int,input().split())
    xs.append(x)
    ys.append(y)
xs.sort()
ys.sort()
if N%2==1:
    midx=xs[N//2]
    midy=ys[N//2]
else:
    midx=(xs[N//2]+xs[N//2-1])//2
    midy=(ys[N//2]+ys[N//2-1])//2
ans=0
for i in range(N):
    ans+=abs(xs[i]-midx)
    ans+=abs(ys[i]-midy)
print(ans)