const char *spinner[] = {
    "⢀⠀","⡀⠀","⠄⠀","⢂⠀","⡂⠀","⠅⠀","⢃⠀","⡃⠀","⠍⠀","⢋⠀","⡋⠀","⠍⠁","⢋⠁","⡋⠁","⠍⠉",
    "⠋⠉","⠋⠉","⠉⠙","⠉⠙","⠉⠩","⠈⢙","⠈⡙","⢈⠩","⡀⢙","⠄⡙","⢂⠩","⡂⢘","⠅⡘","⢃⠨","⡃⢐",
    "⠍⡐","⢋⠠","⡋⢀","⠍⡁","⢋⠁","⡋⠁","⠍⠉","⠋⠉","⠋⠉","⠉⠙","⠉⠙","⠉⠩","⠈⢙","⠈⡙","⠈⠩",
    "⠀⢙","⠀⡙","⠀⠩","⠀⢘","⠀⡘","⠀⠨","⠀⢐","⠀⡐","⠀⠠","⠀⢀","⠀⡀"
};

const unsigned spinner_length = sizeof(spinner) / sizeof(spinner[0]);