B3311331313231311331322331333132322331322112331323132313231323223331   >>    B331133131323131133132233133313232233132211233132313231323132322333   <<    B3311331313231311331322331333132322331322112331323132313231323223333   >>      B3311331313231311331322331333132322331322112331323132313231323223332   >>