B33113313132313113313223313331323331333131322331333132322331312323221221   >>    B3311331313231311331322331333132333133313132233133313232233131232322122   <<    B33113313132313113313223313331323331333131322331333132322331312323221223   >>      B33113313132313113313223313331323331333131322331333132322331312323221222   >>