B3311331313231311331322331333132313331322331323133313331331122113223331   >>    B331133131323131133132233133313231333132233132313331333133112211322333   <<    B3311331313231311331322331333132313331322331323133313331331122113223333   >>      B3311331313231311331322331333132313331322331323133313331331122113223332   >>