B33113313132313113313223313331323331323221311331333132313231323132212131   >>    B3311331313231311331322331333132333132322131133133313231323132313221213   <<    B33113313132313113313223313331323331323221311331333132313231323132212133   >>      B33113313132313113313223313331323331323221311331333132313231323132212132   >>