B33132212112331323223313211232333132313331311331333132322112113121   >>    B3313221211233132322331321123233313231333131133133313232211211312   <<    B33132212112331323223313211232333132313331311331333132322112113123   >>      B33132212112331323223313211232333132313331311331333132322112113122   >>