pattern printing challenge by mehraj

///BISMILLAHIR-RAHMANIR-RAHIM
#include <stdio.h>
int main()
{
    int n = 7;

    int r, c, num, k;

    for(r = 0; r < n; r++){
        k = n;
        for(c = 0; c < r; c++){
            printf("%d ", k);
            k--;
        }
        for(c = 0; c < n - r; c++){
            printf("%d ", k);
        }
        for(c = 0; c < n - r - 1; c++){
            printf("%d ", k);
        }
        k++;
        for(c = 0; c < r; c++){
            printf("%d ", k);
            k++;
        }
        printf("\n");
    }
    for(r = n - 2; r >= 0; r--){
        k = n;
        for(c = 0; c < r; c++){
            printf("%d ", k);
            k--;
        }
        for(c = 0; c < n - r; c++){
            printf("%d ", k);
        }
        for(c = 0; c < n - r - 1; c++){
            printf("%d ", k);
        }
        k++;
        for(c = 0; c < r; c++){
            printf("%d ", k);
            k++;
        }
        printf("\n");
    }


    return 0;
}
///ALHAMDULILLAH