#include <stdio.h>

void prn_circle(void){
  printf("      *          \n");
  printf("    *   *        \n");
  printf("  *       *      \n");
  printf("  *       *      \n");
  printf("    *   *        \n");
  printf("      *          \n");
}

void prn_horizontal_line(void){
  printf("-------------    \n");
}

void prn_reverse_v(void){
  printf("     /\\         \n");
  printf("    /  \\        \n");
  printf("   /    \\       \n");
  printf("  /      \\      \n");
  printf(" /        \\     \n");
  printf("/          \\    \n");
}