import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		new Main().run();
	}
	
	long f(int pos,int v,int[][] m) {
		int n=m.length;
		long ret=0;
		for (int i=0;i<n;++i) {
			for (int j=0;j<n;++j) {
				if (m[i][j]!=v) continue;
				ret+=i;
				if (i-j<=pos && pos<=i+j) continue;
				ret+=Math.min(Math.abs(pos-(i+j)), Math.abs(pos-(i-j)));
			}
		}
		return ret;
	}
	
	void run() {
		Scanner sc=new Scanner(System.in);
		int N=sc.nextInt();
		long ans=0;
		int[][] m=new int[N][N];
		for (int i=0;i<N;++i) {
			for (int j=0;j<N;++j) {
				int A=sc.nextInt();
				m[i][j]=A-1;
			}
		}
		for (int v=0;v<N;++v) {
			int L=-1,R=N;
			while (R-L>1) {
				int mi=(R+L)/2;
				long vl=f(mi,v,m);
				long vr=f(mi+1,v,m);
				if (vl > vr) {
					L=mi+1;
				} else {
					R=mi;
				}
			}
			ans+=Math.min(f(R,v,m),f(L,v,m));
		}
		System.out.println(ans);
	}
	
	void tr(Object...objects) {System.out.println(Arrays.deepToString(objects));}
}