B33113313132313113313223313331323331313331322331333132322331311212121   >>    B3311331313231311331322331333132333131333132233133313232233131121212   <<    B33113313132313113313223313331323331313331322331333132322331311212123   >>      B33113313132313113313223313331323331313331322331333132322331311212122   >>