B33113313132313113313223313331323132313233313331311331313223321   >>    B3311331313231311331322331333132313231323331333131133131322332   <<    B33113313132313113313223313331323132313233313331311331313223323   >>      B33113313132313113313223313331323132313233313331311331313223322   >>