N=int(input())
A=[list(map(int,input().split())) for i in range(N)]
idx=[[] for a in range(N)]
for i in range(N):
    for j in range(N):
        A[i][j]-=1
        idx[A[i][j]].append((i,j))
ans=N*(N-1)//2*N
for a in range(N):
    imos=[0]*(N+2)
    for i,j in idx[a]:
        l,r=i-j,i+j
        if 0<l:
            imos[0]+=l
            imos[1]-=l
            imos[1]+=-1
            imos[l+1]-=-1
        if r<N-1:
            imos[r+1]+=1
            imos[N]-=1
            imos[N]+=-(N-r-1)
            imos[N+1]-=-(N-r-1)
    for _ in range(2):
        for i in range(1,N+2):
            imos[i]+=imos[i-1]
    ans+=min(imos[:N])
print(ans)