B33113313132313113313223313331323331333132313321133133313331333131122212323221   >>    B3311331313231311331322331333132333133313231332113313331333133313112221232322   <<    B33113313132313113313223313331323331333132313321133133313331333131122212323223   >>      B33113313132313113313223313331323331333132313321133133313331333131122212323222   >>