B3311331313231311331322331333132322331322112331323132313231323132223331   >>    B331133131323131133132233133313232233132211233132313231323132313222333   <<    B3311331313231311331322331333132322331322112331323132313231323132223333   >>      B3311331313231311331322331333132322331322112331323132313231323132223332   >>