B3311331313231311331322331333132313231323331333131121333132323221   >>    B331133131323131133132233133313231323132333133313112133313232322   <<    B3311331313231311331322331333132313231323331333131121333132323223   >>      B3311331313231311331322331333132313231323331333131121333132323222   >>