B3311331313231311331322331333132313132313331323223313211231232333131   >>    B331133131323131133132233133313231313231333132322331321123123233313   <<    B3311331313231311331322331333132313132313331323223313211231232333133   >>      B3311331313231311331322331333132313132313331323223313211231232333132   >>