using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using static System.Console;
using static System.Math;
using static MyIO;
using static MyUtil;

public class B { public static void Main() => (new Solver()).Solve(); }

public class Solver
{
	private long[] dy = new long[] { -1, 0, 1, 0 };
	private long[] dx = new long[] { 0, -1, 0, 1 };

	public void Solve()
	{
		long N = GetLong();
		var P = Range(0, N * N).Select(_ => GetLong() - 1).ToArray();

		long conv(long i, long j) => i * N + j;
		var d = new long[N * N];
		for(long i = 0; i < N; i++)
		{
			for(long j = 0; j < N; j++)
				d[conv(i, j)] = Min(Min(i, N - 1 - i), Min(j, N - 1 - j));
		}

		var queue = new Queue<(long, long)>();
		long cnt = 0;
		var left = new bool[N * N];
		for(long i = 0; i < N * N; i++)
		{
			cnt += d[P[i]];
			left[P[i]] = true;

			queue.Enqueue((P[i], d[P[i]]));
			while(queue.Count > 0)
			{
				var (v, c) = queue.Dequeue();
				var (y, x) = (v / N, v % N);
				for(long j = 0; j < 4; j++)
				{
					var (ny, nx) = (y + dy[j], x + dx[j]);
					if(ny < 0 || ny >= N || nx < 0 || nx >= N)
						continue;

					long u = conv(ny, nx);
					if(d[u] > c)
					{
						d[conv(ny, nx)] = c;
						if(left[u])
							queue.Enqueue((u, c));
						else
							queue.Enqueue((u, c + 1));
					}
				}
			}
		}

		WriteLine(cnt);
	}
}

public static class MyIO
{
	private static string[] args = new string[0];
	private static int cnt = 0;
	private static IEnumerable<string> getArgs(long N) => Range(0, N).Select(_ => getArg());
	private static string getArg()
	{
		if(cnt == args.Length) { args = Console.ReadLine().Split(); cnt = 0; }
		return args[cnt++];
	}

	public static int GetInt() => int.Parse(getArg());
	public static long GetLong() => long.Parse(getArg());
	public static double GetDouble() => double.Parse(getArg());
	public static decimal GetDecimal() => decimal.Parse(getArg());
	public static string GetString() => getArg();
	public static char GetChar() => getArg()[0];
	public static int[] GetInts(long N) => getArgs(N).Select(int.Parse).ToArray();
	public static long[] GetLongs(long N) => getArgs(N).Select(long.Parse).ToArray();
	public static double[] GetDoubles(long N) => getArgs(N).Select(double.Parse).ToArray();
	public static decimal[] GetDecimals(long N) => getArgs(N).Select(decimal.Parse).ToArray();
	public static string[] GetStrings(long N) => getArgs(N).ToArray();
}

public static class MyUtil
{
	public static void chmax<T>(ref T x, T y) where T : IComparable<T> { if(x.CompareTo(y) < 0) x = y; }
	public static void chmin<T>(ref T x, T y) where T : IComparable<T> { if(x.CompareTo(y) > 0)	x = y; }
	public static void swap<T>(ref T x, ref T y) { T tmp = x; x = y; y = tmp; }
	public static long rightShift(long x, long y) => (x >> (int)y);
	public static long leftShift(long x, long y) => (x << (int)y);
	public static bool contains(long s, long x) => (rightShift(s, x) & 1L) == 1L;
	public static long gcd(long x, long y) => (y == 0) ? x : gcd(y, x % y);
	public static long lcm(long x, long y) => (x / gcd(x,y)) * y;	
	public static IEnumerable<int> Range(long start, long count) => Enumerable.Range((int)start, (int)count);
	public static void Sort(this List<string> source) => source.Sort(StringComparer.Ordinal);
}


Measured memory_bytes: 49596