#include
using namespace std;
int main() {
int n,m;
cin>>n>>m;
int arr[n][m];
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
cin>>arr[i][j];
}
}
// m=m-1;
// n=n-1;
int ec=m-1,sc=0;
int er=n-1,sr=0;
int i=0;
int j=0;
while(sc<=ec && sr<=er ){
//print first column
for(int i=sr;i<=er;i++){ //first column
cout<<arr[i][sc]<<" ";
}
sc++;
for(int i=sc;i<=ec;i++){ //last row
cout<<arr[er][i]<<" ";
}
er--;
if(sr<=er){
for(int i=er;i>=sr;i--){ //last column
cout<<arr[i][ec]<<" ";
}
}
ec--;
if(sc<=ec){
for(int i=ec;i>=sc;i--){ //first row
cout<<arr[sr][i]<<" ";
}
}
sr++;
}
return 0;
}