B33113313132313113313223313331323331333131322331333132322331323133313223121   >>    B3311331313231311331322331333132333133313132233133313232233132313331322312   <<    B33113313132313113313223313331323331333131322331333132322331323133313223123   >>      B33113313132313113313223313331323331333131322331333132322331323133313223122   >>