B33113313132313113313223313331323132313233313331311331333132213112131   >>    B3311331313231311331322331333132313231323331333131133133313221311213   <<    B33113313132313113313223313331323132313233313331311331333132213112133   >>      B33113313132313113313223313331323132313233313331311331333132213112132   >>