B33132212112331323223313211232333132313331311331333132313231322333121   >>    B3313221211233132322331321123233313231333131133133313231323132233312   <<    B33132212112331323223313211232333132313331311331333132313231322333123   >>      B33132212112331323223313211232333132313331311331333132313231322333122   >>