#include <stdio.h>

int main() {
 int i,j,k,x,size = 100;
 x = sqrt(size);
 int left,right=-1*x+1;
 for (i = 1; i < x*2 ;i++)
  {
   left = (i>x)?x*2-i:i;
   //printf("left = %d ",left);
   //padding left
   for (k=0;k<=x-left;k++) { printf("..."); }
   right = (i>x)?right+1:right+x;
   printf("%d",right);
   for (j = 1;j < left;j++) { printf("....%d",right-(x-1)*j); }
   printf("\n");
  }

  return 0;
}