import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int n = Integer.parseInt(br.readLine());
		List<List<Obj>> list = new ArrayList<>(n);
		for (int i = 0; i < n; i++) {
			list.add(new ArrayList<>(n));
		}
		for (int i = 0; i < n; i++) {
			String[] sa = br.readLine().split(" ");
			for (int j = 0; j < n; j++) {
				int a = Integer.parseInt(sa[j]) - 1;
				Obj o = new Obj();
				o.x = i;
				o.y = j;
				list.get(a).add(o);
			}
		}
		br.close();

		long ans = 0;
		for (int i = 0; i < n; i++) {
			int[] cnt1 = new int[n];
			int[] cnt2 = new int[n];
			for (Obj o : list.get(i)) {
				int l = o.x - o.y - 1;
				if (l >= 0) {
					cnt1[l]++;
				}
				int r = o.x + o.y + 1;
				if (r < n) {
					cnt2[r]++;
				}
			}
			for (int j = n - 2; j >= 0; j--) {
				cnt1[j] += cnt1[j + 1];
			}
			for (int j = n - 2; j >= 0; j--) {
				cnt1[j] += cnt1[j + 1];
			}
			for (int j = 1; j < n; j++) {
				cnt2[j] += cnt2[j - 1];
			}
			for (int j = 1; j < n; j++) {
				cnt2[j] += cnt2[j - 1];
			}
			long min = Long.MAX_VALUE;
			for (int j = 0; j < n; j++) {
				int val = cnt1[j] + cnt2[j];
				min = Math.min(min, val);
			}
			ans += min;
		}
		for (int i = 1; i < n; i++) {
			ans += i * n;
		}
		System.out.println(ans);
	}

	static class Obj {
		int x, y;
	}
}