#include<stdio.h>
int main(){
    int a;
    scanf("%d",&a);
    if(a<0){
        printf("Invalid Input");
    }
    else if(a==1){
        printf("*");
    }
    else if(a==2){
        printf(" *\n**\n *");
    }
    else if(a==3){
        printf("  *\n **\n***\n **\n  *");
    }
    else if(a==4){
        printf("   *\n  **\n ***\n****\n ***\n  **\n   *");
    }
    else if(a==5){
        printf("    *\n   **\n  ***\n ****\n*****\n ****\n  ***\n   **\n    *");
    }
    else if(a==6){
        printf("     *\n     **\n   ***\n  ****\n *****\n******\n *****\m  ****\n   ***\n    **\n     *");
    }
    else if(a==7){
          printf("      *\n      **\n    ***\n   ****\n  *****\n ******\n******\n ******\n  *****\m   ****\n    ***\n     **\n      *");
    }
    else if(a==8){
         printf("       *\n       **\n     ***\n    ****\n   *****\n  ******\n ******\n********\n *******\n  ******\n   *****\n    ****\n     ***\n      **\n       *");
    }
    else if(a==9){
         printf("        *\n        **\n      ***\n     ****\n    *****\n  ******\n  ******\n *******\n*********\n ********\n  *******\n   ******\n    *****\n     ****\n      ***\n       **\n        *");
    }
    else if(a==10){
          printf("         *\n         **\n       ***\n      ****\n     *****\n   ******\n   ******\n  *******\n *********\n**********\n *********\n  ********\n   *******\n    ******\n     *****\n      ****\n       ***\n        **\n         *");
    }
}