#include <stdlib.h>
#include <stdio.h>

void main() {
  FILE *f = fopen("turtlemap.out", "wb");
  unsigned char r=0,g=0,b=0;

  // Because 0*0=0, write the first four colours manually
  fprintf(f, "%c%c%c%c", 0, 0, 0, '\0');           // bg
  fprintf(f, "%c%c%c%c", 1, 0, 0, '\0');           // blue
  fprintf(f, "%c%c%c%c", 1, 2, 1, '\0');           // light green
  fprintf(f, "%c%c%c%c", 0, 1, 0, '\0');           // dark green

  for (int c=1; c<64; c++) {
    fprintf(f, "%c%c%c%c", c, c+8, c, '\0'); 
    fprintf(f, "%c%c%c%c", c+96, c+64, c/2, '\0');
    fprintf(f, "%c%c%c%c", c+112, c+127, c+96, '\0');
    fprintf(f, "%c%c%c%c", c+24, c+48, c+24, '\0');
  }

  fclose(f);
}