#include "stdio.h"
#include "stdlib.h"

int main(int argc,char **argv)
{
   int i;
   int r,g,b;

   for (r=0;r<=255;r+=51) {
		printf("<center><table width=95%% border=1>\n");
      for (g=0;g<=255;g+=51) {
         printf("<tr>\n");
         for (b=0;b<=255;b+=51) {
            printf("<td align=center bgcolor=\"#%02x%02x%02x\"><b>\n",r,g,b);
				if (r*r + g*g + b*b < 50000)
					printf("<font color=\"#ffffff\">\n");
				else
					printf("<font color=\"#000000\">\n");
            printf("%02X %02X %02X\n",r,g,b);
            printf("</b></font></td>\n");
         }
         printf("</tr>\n");
      }
		printf("</table></center><p>");
   }
}