B33113313132313113313223313331311331323331323331333132233132313113313211231221   >>    B3311331313231311331322331333131133132333132333133313223313231311331321123122   <<    B33113313132313113313223313331311331323331323331333132233132313113313211231223   >>      B33113313132313113313223313331311331323331323331333132233132313113313211231222   >>