time_f
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);
time_f(START);
d = time_f(STOP);