#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <algorithm>
#include <locale.h>

using namespace std;

const int n=11;
int arr[n][n];

int main(void) {
    int x = n / 2;
    int y = x;
    int elem = 1, cnt = 1;
    while (true) {
        if (cnt % 2 == 1) {
            int i = y;
            int end = max(0, i-cnt);
            bool flag = ((i-cnt) < 0);
            for (; i>end; --i) {
                arr[x][i] = elem;
                ++ elem;
                //printf("i = %d, j = %d\n", x, i);
            }
            if (flag) {
                arr[x][i] = elem;
                //printf("i = %d, j = %d\n", x, i);
                break;
            }
            y = i;
            i = x;
            end = max(0, i-cnt);
            flag = ((i-cnt) < 0);
            for (; i>end; --i) {
                arr[i][y] = elem;
                ++ elem;
                //printf("i = %d, j = %d\n", i, y);
            }
            if (flag) {
                arr[i][y] = elem;
                //printf("i = %d, j = %d\n", i, y);
                break;
            }
            x = i;
            ++ cnt;
        }
        else {
            int i = y;
            int end = min(n-1, i+cnt);
            bool flag = ((i+cnt) >= n);
            for (; i<end; ++i) {
                arr[x][i] = elem;
                ++ elem;
                //printf("i = %d, j = %d\n", x, i);
            }
            if (flag) {
                arr[x][i] = elem;
                //printf("i = %d, j = %d\n", x, i);
                break;
            }
            y = i;
            i = x;
            end = min(n-1, i+cnt);
            flag = ((i+cnt) >= n);
            for (; i<end; ++i) {
                arr[i][y] = elem;
                ++ elem;
                //printf("i = %d, j = %d\n", i, y);
            }
            if (flag) {
                arr[i][y] = elem;
                //printf("i = %d, j = %d\n", i, y);
                break;
            }
            x = i;
            ++ cnt;
        }
    }
    for (int i = 0; i < n; ++ i) {
        for (int j = 0; j < n; ++ j)
            printf("%5d ", arr[i][j]);
        printf("\n");
    }
    return 0;
}