function I_am_duel (int incorrect_from, int incorrect_to)
{
int index=0;

while(index<=I_am_total)
{
dI_am_duel.SetOptionState(index, eOptionOff);
index++;
}

index=0;
while(I_am_correct[index]!=0)
{
dI_am_duel.SetOptionState(I_am_correct[index], eOptionOn);
index++;
}

index=incorrect_from;
while(incorrect_from<incorrect_to)
{
dI_am_duel.SetOptionState(index, eOptionOn);
index++;
}

I_am_empty();
}