B3311331313231311331322331333132313331322331323133313311211331322331323131221   >>    B331133131323131133132233133313231333132233132313331331121133132233132313122   <<    B3311331313231311331322331333132313331322331323133313311211331322331323131223   >>      B3311331313231311331322331333132313331322331323133313311211331322331323131222   >>