B3311331313231311331322331333132313331322331323133313331331121211111121132121   >>    B331133131323131133132233133313231333132233132313331333133112121111112113212   <<    B3311331313231311331322331333132313331322331323133313331331121211111121132123   >>      B3311331313231311331322331333132313331322331323133313331331121211111121132122   >>