n = int(input())
a = [list(map(lambda a:int(a)-1, input().split())) for _ in range(n)]
h = [[] for _ in range(n)]
for i in range(n):
    for j in range(n):
        h[a[i][j]].append((i,j))

ans = 0
for i in range(n):
    fn = lambda p: sum([max(abs(p - pi), pj) for pi, pj in h[i]])
    l, r = 0, n-1
    for _ in range(20):
        a = (l*2 + r) // 3
        b = (l + r*2) // 3
        if fn(a) > fn(b):
            l = a
        else:
            r = b
    ans += min(fn(a), fn(b))
print(ans)