B33113313132313113313223313331323331333131322331323132311112331   >>    B3311331313231311331322331333132333133313132233132313231111233   <<    B33113313132313113313223313331323331333131322331323132311112333   >>      B33113313132313113313223313331323331333131322331323132311112332   >>