B33113313132313113313223313331323233313231323331333132322132323221   >>    B3311331313231311331322331333132323331323132333133313232213232322   <<    B33113313132313113313223313331323233313231323331333132322132323223   >>      B33113313132313113313223313331323233313231323331333132322132323222   >>