B3311331313231311331322331333132313331322331323133313331333112133112323131121   >>    B331133131323131133132233133313231333132233132313331333133311213311232313112   <<    B3311331313231311331322331333132313331322331323133313331333112133112323131123   >>      B3311331313231311331322331333132313331322331323133313331333112133112323131122   >>