B3311331313231311331322331333132313331323133313233313331322331312323221   >>    B331133131323131133132233133313231333132313331323331333132233131232322   <<    B3311331313231311331322331333132313331323133313233313331322331312323223   >>      B3311331313231311331322331333132313331323133313233313331322331312323222   >>