B3311331313231311331322331333132313331322331323133313331323132231331121   >>    B331133131323131133132233133313231333132233132313331333132313223133112   <<    B3311331313231311331322331333132313331322331323133313331323132231331123   >>      B3311331313231311331322331333132313331322331323133313331323132231331122   >>