B3311331313231311331322331333132313132313331323223313133313111221   >>    B331133131323131133132233133313231313231333132322331313331311122   <<    B3311331313231311331322331333132313132313331323223313133313111223   >>      B3311331313231311331322331333132313132313331323223313133313111222   >>