#include<stdio.h>
int main(){
    int M,N;
    scanf("%d %d",&M,&N);
    if (M<=0 || N<=0) printf("Invalid Input"), return 0;
    int a[10][10];
    for (int i=0;i<M;i++)
        for (int j=0;j<N;j++)
            scanf("%d",&a[i][j]);
    int t=0,b=M-1,l=0,r=N-1;
    while (t<=b && l<=r){
        for (int i=l;i<=r;i++)
        printf("%d ",a[t][i]); t++;
        for (int i=t;i<=b;i++)
        printf("%d ",a[i][r]);r--;
        for (int i=r;i>=l && t<=b;i--)
        printf("%d ",a[b][i]); b--;
        for (int i=b;i>=t && l <= r;i--)
        printf("%d ",a[i][l]); l++;
    }
}