printf "%10.2s", "o\n\n";
printf "%5.1s",  "o\n\n";
printf "%10.3s", "o\n\n";
printf "%2.1s",  "o\n\n";
printf "%16.3s", "o\n\n";
printf "%1.1s",  "o\n\n";
printf "%18.3s", "o\n\n";
printf "%2.1s",  "o\n\n";
printf "%16.3s", "o\n\n";
printf "%5.1s",  "o\n\n";
printf "%9.2s",  "o\n\n";
printf "%10.2s", "o\n\n";