B3311331313231311331322331333132313331322331323133313331331123313123132323331   >>    B331133131323131133132233133313231333132233132313331333133112331312313232333   <<    B3311331313231311331322331333132313331322331323133313331331123313123132323333   >>      B3311331313231311331322331333132313331322331323133313331331123313123132323332   >>