#include<stdlib.h>
#include<stdio.h>
int mat[100][100], n, flags[100][100];
void swapDiagonali() {
int i,j = n-1,pom;
for(i = 0; i< n; i++) {
pom = mat[i][i];
mat[i][i] = mat[n-1-j][n-1-i];
mat[n-1-j][n-1-i] = pom;
j--;
}

}
void swapElementi() {
int i,j,pom;
for(i = 0; i< n; i++) {
for(j = 0; j< n; j++) {
if(i != j&&(j+i < n-1 || j+i != n-1)&&flags[i][j] != 1) {
pom = mat[i][j];
mat[i][j] = mat[n-1-i][j];
flags[i][j] = 1;
mat[n-1-i][j] = pom;
flags[n-1-i][j] = 1;
}
}
}

}
void pecatiMatrica() {
int i,j;
for(i=0; i<n; i++) {
for(j=0; j<n; j++) {
printf("%d ", mat[i][j]);
}
printf("\n");
}
}
int main() {
int i,j;
scanf("%d", &n);

for(i=0; i<n; i++) {
for(j=0; j<n; j++) {
scanf("%d", &mat[i][j]);
flags[i][j] = 0;
}
}
swapDiagonali();
swapElementi();
pecatiMatrica();
}