#include <iostream>
#define L_MAX 1000
using namespace std;
int v[L_MAX][L_MAX];
int main()
{
    int m, n,i ,n1, m1, j;
    cin>>m>>n;
    for(i=1; i<=m; i++)
        for(j=1; j<=n; j++)
            cin>>v[i][j];
            n1=1; m1=1;
    while(n1<=n && m1<=m)
    {
        for(i=n1; i<=n; i++) cout<<v[m1][i]<<" ";
        m1++;
        for(i=m1; i<=m; i++) cout<<v[i][n]<<" ";
        n--;
        for(i=n; i>=n1; i--) cout<<v[m][i]<<" ";
        m--;
        for(i=m; i>=m1; i--) cout<<v[i][n1]<<" ";
        n1++;
    }
    return 0;
}