B33113313132313113313223313331323331333131313331333132313231323133313221121   >>    B3311331313231311331322331333132333133313131333133313231323132313331322112   <<    B33113313132313113313223313331323331333131313331333132313231323133313221123   >>      B33113313132313113313223313331323331333131313331333132313231323133313221122   >>