import sys
import io, os
input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline

from itertools import accumulate
from collections import defaultdict
INF = 10**18

n = int(input())
A = [list(map(int, input().split())) for i in range(n)]

D = defaultdict(lambda: [])
for x in range(n):
    for y in range(n):
        a = A[x][y]
        D[a-1].append((x, y))

ans = 0
for a in range(n):
    imos = [0]*(n+1)
    imos1 = [0]*(n+1)
    imos2 = [0]*(n+1)
    for x, y in D[a]:
        imos1[0] += 1
        imos1[max(0, x-y)] -= 1
        imos2[min(x+y+1, n)] += 1
        imos2[n] -= 1
    imos1 = list(accumulate(imos1))
    imos2 = list(accumulate(imos2))
    for i in range(n, 0, -1):
        imos1[i-1] += imos1[i]
    for i in range(n):
        imos2[i+1] += imos2[i]
    for i in range(n):
        imos[i] = imos1[i]+imos2[i]
    pos = -1
    M = INF
    for i in range(n):
        if M > imos[i]:
            M = imos[i]
            pos = i
    for x, y in D[a]:
        ans += max(abs(x-pos), y)
print(ans)