B3311331313231311331322331333132313331322331323133313331331121211111122231231   >>    B331133131323131133132233133313231333132233132313331333133112121111112223123   <<    B3311331313231311331322331333132313331322331323133313331331121211111122231233   >>      B3311331313231311331322331333132313331322331323133313331331121211111122231232   >>